When a spherical balloon is filled with air, it has a radius of 3 inches. what is the estimate for the volume of air in the balloon, in cubic inches?

The volume of a sphere is given by the equation , where V is the volume and r is the radius.

To answer this question, simply plug the correct values into the equation:

The volume of the air in the balloon is about 113.0976 in3.

Hope this helps!!