Question

What is the volume of a sphere with a radius of 3 inches

Answer 1

`The\ volume\ of\ a\ sphere:V=(4)/(3)\pi R^3\\\\R=3\ in\\\\V=(4)/(3)\pi\cdot3^3=(4)/(3)\pi\cdot27=4\pi\cdot9=36\pi\\\\Answer:\boxed{V=36\pi\ in^3}`