Question

HELP ITS URGENT!!!

1)Find the volume of a sphere with the radius of 6ft.Round your answer to the nearest whole number. A)151ft^3 B)678^3 C)904ft^3 D)2,713ft^3

2)Find the volume of a sphere with the radius of 4m, Round your answer to the nearest whole number. A)201m^3 B))268^3 C)804^3 D)603^3

3)Find the surface area of a sphere with a radius of 7in. Round your answer to the nearest whole number. A)154in^2 B)205in^2 C)615in^2 D)1,077in^2

4)Find the surface area of a sphere with the radius of 1.5ft, Round your answer to the nearest whole number. A)7ft^2 B)9ft^2 C)14ft^2 D)28ft^2

5)A playground ball has a radius of 11cm. What is the volume of the ball?Round your answer to the nearest whole number. A)380cm^3 B)1,520cm^3 C)5,572cm^3 D)4,179cm2

Answer 1

Answers: C, B, C, D, and C

Explanation:

The formula for the Volume of a sphere is:
`V=(4)/(3)\pi r^3`, where r is the radius.

The formula for the Surface Area of a sphere is: S.A. = 4πr², where r is the radius.

`\begin {array}l\c&\underline{radius}&\underline{Volume}&\underline{Surface\ Area}&\underline{Answer}\\1.&6&\boxed{904.78}&452.39&C\\2.&4&\boxed{268.08}&201.06&B\\3.&7&1436.76&\boxed{615.75}&C\\4.&1.5&14.14&\boxed{28.27}&D\\5.&11&\boxed{5575.28}&1520.53&C\\\end{array}`