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What is 390000000 in scientific notation

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What is 390000000 in scientific notation

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14. Within a single use of the scientific method, which of the following steps can only be performed after data is collected? A. Controls and variables are chosen. B. The initial experiment is designed. C. The initial hypothesis is formed. D. Conclusions are drawn.

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The answer is D. Conclusions are drawn. 
This is the only choice that can be done after data gathering, formulation, and analysis.

Other choices are in correct

A. Controls and variables are chosen.  (Identified before an experiment)
B. The initial experiment is designed. (Has been planned before an experiment is done.)
C. The initial hypothesis is formed. (Before the experiment a hypothesis is already drawn.

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I think its A can someone help me? Which of the following will not change? Scientific law Scientific theory Scientific hypothesis Scientific experiment

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I think its A can someone help me? Which of the following will not change? Scientific law Scientific theory Scientific hypothesis Scientific experiment

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During the Renaissance there were many cultural and scientific advancements because of the stress on knowledge for knowledge's sake. True False

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During the Renaissance there were many cultural and scientific advancements because of the stress on knowledge for knowledge’s sake. True False

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Simple curiosity is not a legitimate reason to complete a scientific investigation. true or false?

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Answered by answersmine AT 22/10/2019 – 03:06 AM

False you can start a scientific investigation for any reason. The only reason wee haste this app is because some one was curious to see if they could make a phone, then an app, then this one, curiosity fuels everything 

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Scientific endeavor is sometimes accompanied by negative tradeoffs. true or false???????????? :0

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Scientific endeavor is sometimes accompanied by negative tradeoffs. true or false???????????? :0

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How did the catholic church respond to the scientific revolution

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Answer:

The church persecuted scientists who challenged religious teachings

Explanation:

The Church felt threatened because it was believed that both its teachings and authority were under attack. as a result, it attacked some prominent scientists. For example, Giordano Bruno was burned at the stake, and Galileo Galilei was made to renounce his beliefs.

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The Great Barrier Reef faces environmental disaster due to A. rising sea levels. B. scientific study. C. tourism. D. parasites. correct answer is – Rising sea levels ( just did the exam) this is the correct answer

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The Great Barrier Reef faces environmental disaster due to A. rising sea levels. B. scientific study. C. tourism. D. parasites. correct answer is – Rising sea levels ( just did the exam) this is the correct answer

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How did advancements in physics, chemistry, and astronomy help cause the Enlightenment? Enlightenment thinkers applied the scientific method to social problems. Enlightenment philosophers began their careers as natural scientists. Knowledge of physics and chemistry enabled advances in weaponry and machinery. The study of science inspired great Enlightenment poets to write about nature.

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The Enlightenment is known by that name because people considered the scientific progress brought a “new light” that could replace religion and leave the Middle Age behind. Also, different discoveries and studies in physics, chemistry, and astronomy established the scientific method as a reliable way to produce knowledge. Therefore, Enlightenment thinkers applied the scientific method to social problems, and since then, multiple social sciences like sociology or anthropology have adopted this method until the present day.

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Which of the following is an example of a scientific question that is not testable? Why is the sky blue? How moist should soil be for a tomato seed to sprout? Is the strength of steel related to the amount of carbon in it? Does the rate of cooling of a liquid depend upon its initial temperature?

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Which of the following is an example of a scientific question that is not testable? Why is the sky blue? How moist should soil be for a tomato seed to sprout? Is the strength of steel related to the amount of carbon in it? Does the rate of cooling of a liquid depend upon its initial temperature?

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Sharita does special typing jobs for scientists. She charges $16 for the first three pages and three dollars for each additional page of scientific typing.Sonia, a biologist paid 106 dollars to have a research paper typed. How many pages long was Sonia's paper.

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Sharita does special typing jobs for scientists. She charges $16 for the first three pages and three dollars for each additional page of scientific typing.Sonia, a biologist paid 106 dollars to have a research paper typed. How many pages long was Sonia’s paper.

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Descartes decided not to publish a scientific work because of the way the Catholic Church treated _____.

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Descartes decided not to publish a scientific work because of the way the Catholic Church treated Galileo. The Catholic Church condemned Galileo because it wanted to continue the geocentric view of the universe. In this is conflict between science and religion, Galileo was deemed heretical by the Church.

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Calculate the answer. Express it in scientific notation. All answers should have the correct number of significant figures. (386) (204) =

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Answer:

Velocity of plane = 30.93 m/s

Explanation:

Considering vertical motion of ball

    Initial velocity, u =  0 m/s

   Acceleration , a = 9.81 m/s²

   Displacement, s = 195 m

   We have equation of motion s= ut + 0.5 at²

   Substituting

       s= ut + 0.5 at²

       195 = 0 x t + 0.5 x 9.81 x t²

        t = 6.31 seconds

Now considering horizontal motion of ball

   Acceleration , a = 0 m/s²

   Displacement, s = 195 m

   Time, t = 6.31 s

   We have equation of motion s= ut + 0.5 at²

   Substituting

       s= ut + 0.5 at²

       195 = u x 6.31 + 0.5 x 0 x 6.31²

        u = 30.93 m/s

Velocity of plane is horizontal initial speed of ball = 30.93 m/s

Velocity of plane = 30.93 m/s

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You just saw a billboard that states “85% of doctors use our product!” What technique has the advertising company used to persuade you to get the product? A bandwagon B plain folks C scientific evidence D testimonials

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Which statement is the most important reason for warming up and cooling down? It reduces your risk of injury. It increases response time. It improves immune function. It stabilizes you emotionally. 1 points Question 2 Which term describes the promotion of health products, services, or practices of questionable safety, effectiveness, or validity for an intended purpose? quackery sham scam fishing 1 points Question 3 Which precaution should you take to protect yourself from the consequences of too much sun? Wear a hat, such as a baseball cap. Apply sunscreen only during the summer. Wear sunglasses that block at least 50 percent of the sun’s ultraviolet rays. Put on sunblock 30 minutes before going in the sun. 1 points Question 4 Which is the more questionable phrase when used in advertising? secret formula FDA-approved medically proven variation in efficacy 1 points Question 5 Which statement is true of cooling down after physical activity? A cool-down is a period of semistrenuous activity after physical activity. Cooling down increases blood flow to the muscles and decreases body temperature. Cooling down increases the lactic acid in your muscles, helping to protect them from injury. You should cool down for about 5 to 10 minutes after being physically active. 1 points Question 6 Which statement about dressing for physical activity is true? Clothes should be tight and lie flat against skin to prevent chafing. Rubberized or plastic clothing prevents you from sweating. In general, you should wear heavier weight clothing to keep muscles warm and flexible. You should wear a hat in cold weather and in sunny weather. 1 points Question 7 Which question is not relevant when evaluating advertisements? What is the product’s purpose? Who is the target audience? What is being advertised? How expensive is the product? 1 points Question 8 Which characteristics should you look for when choosing a shoe for physical activity? a sole that is exactly the same height at the heel and the toe a cushioned heel cup to protect the heel from impact a firm, molded inside to stabilize the foot a sole at least as wide as the upper part of the shoe 1 points Question 9 Which statement is true of electrolytes? The major electrolytes lost in sweat are hydrogen, potassium, and iron. Electrolytes help carry electrical impulses from one cell to another. Electrolyte replacement during physical activity is beneficial. Electrolyte concentrations decrease due to the loss of body water. 1 points Question 10 Which statement is true of warming up before physical activity? A warm-up is a period of semistrenuous activity that prepares the body for physical activity. A warm-up increases the amount of oxygen to your brain by raising your body temperature. You should warm up for about 15 to 20 minutes before being physically active. Stretching is important for flexibility and keeps your muscles from tightening up during physical activity.

 The answer to the first question is It reduces your risk of injury
2. I don’t understand what this question is asking
3. 
Put on sunblock 30 minutes before going in the sun. 
4. 
secret formula FDA-approved 
5. 
Cooling down increases the lactic acid in your muscles, helping to protect them from injury
6. 
Clothes should be tight and lie flat against skin to prevent chafing. 
7. 
How expensive is the product? 
8. I don’t know the answer to this problem
9. 
Electrolytes help carry electrical impulses from one cell to another.
10. 
Stretching is important for flexibility and keeps your muscles from tightening up during physical activity.

ANSWERED AT 22/10/2019 – 01:13 PM


QUESTION POSTED AT 22/10/2019 – 01:13 PM


Authoritarian personality theory states that extreme prejudice is

Authoritarian personality theory states that extreme prejudice is a trait of certain individuals that see things as black and white. Authoritarian personality is an attitude characterized by belief in absolute obedience to one’s own authority, belief in aggression toward those who do not subscribe to conventional thinking, need for strong leadership, resistance to creative,  ideas.. This theory is deployed by Theodor Adorno and Max Horkheimer.

ANSWERED AT 22/10/2019 – 12:21 PM


QUESTION POSTED AT 22/10/2019 – 12:21 PM


You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? A. Fad diets are extreme and do not include balanced meals. They are usually hard to maintain because of their extreme restrictions. Also, the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting. B. Fad diets can be fun because they rarely restrict what you eat. Plus, they induce weight loss in healthy, maintainable ways, and involve techniques that can improve your flexibility. C. Fad diets, which are necessary for fast weight loss, include healthy, well-balance meals. Unfortunately, the weight you lose while on a fad diet is usually gained back once you stop dieting. D. Fad diets are an important part of a diet regimen. They can induce lifelong weight loss and weight gain, which makes them best for young people who want to lose weight quickly.

You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? You should choose A for your answer. But I don’t really recommend this diet either because it doesn’t result in long-term weight loss, and it can be dangerous to your health. You are better off without it because even if you follow through with this diet you will not get the results you would like. I’m sure most people would want diets that have long-term results and not short-term results that can also be dangerous. 

I hope this helps you! 😀 

Please vote me as Brainliest if there is another answer!

ANSWERED AT 22/10/2019 – 09:55 AM


QUESTION POSTED AT 22/10/2019 – 09:55 AM


In the united states, _____ deficiency is the most common nutritional deficiency.

In united states. Iron deficiency is the most common nutritional deficiency.
Iron deficiency is actually really easy to obtain since it’s contained by a lot variation of Green Vegetables.
But in recent years, Average people’s diets are focused on high-carbs and high-fat food which do not contain any form of iron in it.

ANSWERED AT 22/10/2019 – 04:29 AM


QUESTION POSTED AT 22/10/2019 – 04:29 AM

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Which of these descriptions best defines a scientific law?

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A scientific law describes what occurs every time in a situation. A scientific law is a statement based that is developed from repeated experiments that describe any occurrence in the Universe that will apply anywhere under the same conditions. The term “scientific law” is traditionally associated with the natural sciences, though the social sciences also contain laws. An example of a scientific law in social sciences is Zipf’s law. Newton’s theory of gravitation, theory of gravitation, theory of gravity. law of gravitation, Newton’s law of gravitation – (physics) the law that states any two bodies attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

The first of the three most basic scientific laws is the First Law of Thermodynamics. This law states that neither matter nor energy may be created or destroyed, but they may change forms. This law of science suggests that matter must be eternal.

plz. mark brainliest, thx.

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What is the term for collecting information about the physical world via the senses or a scientific instrument? A. Experiment B. Phenomenon C. Theory D. Observation

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What is the term for collecting information about the physical world via the senses or a scientific instrument? A. Experiment B. Phenomenon C. Theory D. Observation

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Match the careers with the job tasks. Tiles 1.agricultural technician 2.hydroelectric technician 3.home appliance repairman 4.textile tender Pairs A.analyzes water for environmental issues, such as drought, pollution, or erosion B.gathers crop or animal samples for scientific testing C.operates and tends cutting machines for various textiles D. troubleshoots and repairs faulty machinery and equipment

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Technician is a worker trained with special skills, especially in science and engineering.

1. Agricultural technician – gathers crop or animal samples for scientific testing. (Agricultural: used for farming or relating to farming.)

2. Hydorelectric technician – Analyzes water for envinromental issues, such as drought, pollution, or erosion. (Hydroelectric – electricity produced by the energy of fast -moving water.)

3, Home appliance repairman – troubleshoots and repairs faulty machinery and equipment. (Appliance: a device, machine or piece of equipment)

4. Textile tender – operates and tends cutting machines for various textiles.

(Textile: a cloth made by hand or machine)

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Find this quotient and express the answer in scientific natation

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Employee                                 Mary      Zoe         Greg         Ann           Tom

Cumulative Pay                       $6,800   $10,500  $8,400    $66,000   $4,700

Pay subject to FICA S.S.         $421.60  $651.00  $520.80 $4092.00 $291.40
6.2%, (First $118,000)

Pay subject to FICA Medicare $98.60 $152.25    $121.80    $957.00    $68.15
1.45% of gross

Pay subject to FUTA Taxes      $40.80  $63.00     $50.40    $396.00  $28.20
0.6%

Pay subject to SUTA Taxes   $367.20  $567.00  $453.60  $3564.00 $253.80
5.4% (First $7000)

Totals                                     $928.20 $1,433.25 $1,146.60 $9,009.00 $641.55

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Creativity helps a scientist toA) propose non testable theories about solar system B)post valid scientific questions about solar systemsC) give unacceptable explanations about the solar systemD) use biased methods to answer questions about the solar system

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Answer:

1) Water has very high specific heat.

2) It expands when it freezes

3) ability to dissolve in ionic substances

4) Water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid.

Explanation:

1) Water molecules due to their high specific heat , undergo relatively less increase in temperature after absorbing heat. So they prevent their adjoining area to experience sharp increase in temperature.

2) Water is an example which expands on freezing. In it , large spaces are left between molecules when it cools. It happens because hydrogen bonds prevent any two molecules to come very close thereby  creating gaps. This gap is filled up when ice melts , which results in overall reduction in volume of water.

3) Uneven distribution of charge results in water molecules becoming polar in nature . A polar substance  can be dissolved in polar solvents only.

4) It is due to property of surface tension. Property  of surface tension results due to molecules of water near the surface experiencing a  net downward  force due to hydrogen bonds . It is due to fewer hydrogen bonds made by them.

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Which is an example of point-by-point organization in a comparative essay? The Code Book is written in an expository style. The author uses dense, scientific language to provide information. The Code Book uses historical examples from recent history. Author Simon Singh uses these to emphasize the importance of security. The Dark Game is an example of narrative writing. Author Paul Janeczko weaves historical examples together beautifully. The Dark Game uses historical examples from the Civil War. The Code Book also uses historical examples, but from the Cold War.

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Which is an example of point-by-point organization in a comparative essay? The Code Book is written in an expository style. The author uses dense, scientific language to provide information. The Code Book uses historical examples from recent history. Author Simon Singh uses these to emphasize the importance of security. The Dark Game is an example of narrative writing. Author Paul Janeczko weaves historical examples together beautifully. The Dark Game uses historical examples from the Civil War. The Code Book also uses historical examples, but from the Cold War.

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A jet flies at a rate of 1.3 x 10^ 6 feet per hour. Written in scientific notation, which is the best estimate of how many feet the jet will travel in 2.8 x 10^ 3 hours?

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A jet flies at a rate of 1.3 x 10^ 6 feet per hour. Written in scientific notation, which is the best estimate of how many feet the jet will travel in 2.8 x 10^ 3 hours?

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Which of the following is the number 0.008005 written in scientific notation? A. 8.005 x 10(squared) B. 8.500 x 10(to the negative third power) C. 8.005 x 10(to the negative fourth power) D. 8.005 x 10(to the negative third power

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Which of the following is the number 0.008005 written in scientific notation? A. 8.005 x 10(squared) B. 8.500 x 10(to the negative third power) C. 8.005 x 10(to the negative fourth power) D. 8.005 x 10(to the negative third power

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Galileo’s scientific views were accepted soon after they were published. True False

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Then correct answers are A) petition must be filed by voters to begin the referendum process. B) Only new laws or recent amendments to existing laws are considered. C) The legislature must accept the referendum before it goes to voters.

The statements that correctly describe the referendum process are the following: petition must be filed by voters to begin the referendum process, only new laws or recent amendments to existing laws are considered, and the legislature must accept the referendum before it goes to voters.

We are talking about the referendum process in the state of Michigan. The two ways citizens cant begin with the process are a “directly initiated constitutional amendment” or an “indirectly initiated state statute.” They have to collect enough signs to send the petition to the legislature of the state. Once there, state Congressmen has forty days to make a decision: to accept the petition or reject it. If it is rejected it is again considered in the next ballot. But in this state, citizens can use their veto power to revocate the decision.

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