Find the radius of a spherical tank

Question

that has a volume of 64pi/3 cubic cm. hint: V=3/4 Pi r^3? 

 

 

Answer 1

Volume of the spherical tank .

The hint is wrong because the volume of a spherical tank is V = 4/3 π r³.

                                                 

Answer 2

Volume of spherical tank cubic cm.

Formula for volume of sphere

r is radius of sphere.

Therfore

Apply cube root on each side.

Radius of spherical tank is .