Question

A spherical ball with a radius of 4 inches has a hallow center of radius 3 inches what is the volume of the shell?

Answer 1

what you need to do is find the volume of the ball with 4 inches as you radius and then find the volume of the hole with 3 inches as your radius, then subtract the volume of the hole from the volume of the ball.
Volume of sphere=

Answer 2

can you please explain it in detail

Answer 3

Ok i'll draw this

So we have two circles as you can see. Drawing diagrams always helps. The larger circle has a radius of 4inches while the smaller one has a radius of 3 inches. What we are looking for is the volume of the space between the large circle and the smaller circle. So we do
\[(4/3(\Pi \times (4)^{3})) - (4/3(\Pi \times (3)^{3})\]
Does that help?