The formula for the volume of a sphere is 4 ⁄ 3 πr
3
​3
​​ . The volume of a softball with a radius of 2 inches is about

A
33.5 in
3
​3
​​ .

B
33.5 in.

C
33.5 in
2
​2
​​ .

D
33.5 ft.