Answer:
V ≈ 33,493 in³
Step-by-step explanation:
The formula for the volume of a sphere:
[tex]V=\frac{4}{3}\pi r^{3}[/tex]
Since the radius of the sphere is 20 inches:
[tex]V=\frac{4}{3}\pi 20^{3}[/tex]≈33,493 in³