For this case we have by definition, that the volume of a sphere is given by:

Where:
r: It is the radius of the sphere
If the radius is divided by 3 we have:


ANswer:
the volume decreases considerably because the denominator increases
They are both equal because in decimals you can add thousands of zeros and it's still equal.
Answer:
I believe the correct answer is - The value of a bank account with quarterly compounded interest after 6 years.
I'm not sure if this is 100% correct but hope it helps.
The answer is (C) 15.6. 260% of 6 is 6 * 2.6.