Answer :
volume of a sphere=4/3 x pi x radius^3
volume=4/3 x 3.14 x 20^3
volume=4/3 x 3.14 x 8,000
volume=33,493.3 cm3
volume=4/3 x 3.14 x 20^3
volume=4/3 x 3.14 x 8,000
volume=33,493.3 cm3