Home / Assignment Help / Which values of x and y would make the following expression represent a real number? (6 + 3i)(x + yi)

Which values of x and y would make the following expression represent a real number? (6 + 3i)(x + yi)

Answer:

5 in 0.05 is 10 times greater than 5 in 0.005.

Step-by-step explanation:

To find : In which number does the digit 5 have greater value 0.05 or 0.005 how many times as great is it and how do you know ?

Solution :

According to the place value stem,

Ones      Tenths      Hundredths     Thousandths

 0              0                   5                                           – 0.05

 0              0                   0                        5                 – 0.005

In 0.05 5 is in hundredths place and in 0.005 5 is in thousandths place.

So, 5 in 0.05 is 10 times greater than 5 in 0.005.

As 0.05=5times frac{1}{100}

0.005=5times frac{1}{1000}

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