Answer:
I belive the answer would be 452.16
Step-by-step explanation:
The formula to find the volume of a cylinder is 
h = height
r = radius
The radius for this is 4 and the height is 9
instert your number into your equation 
and from there i would just put it into a calculator and you get
or 452.3893-
Its 400 ..... hope that helps :)
Answer:
No,
12.8 = 12.800
Obviously, 12.800 <u>< </u>12.815.

A real number that cannot be expressed as a ratio of integers.