Part A.
We have the following number is scientific notation:
In order to obtain the value, we must move the decimal point 2 places to the right and get
Then, the answer for part a is: 3240
Part B
Lets multiply 32.4 by 10^2. It yields,
then, we can note that,
- A. The digit 2 increases in value from 2 ones to 2 hundreds and,
- C. The digit 3 shifts 2 places to the left, fron the tens place to the thousands place