Q:

When a spherical balloon is filled with air, it has a radius of 3 inches. Which of these gives the best estimate for the volume of air in the balloon in cubic inches?A. 63.6B. 108.0C. 113.1D. 150.8

Accepted Solution

A:
By definition, the volume of a sphere is given by:
 V = (4/3) * (pi) * (r ^ 3)
 where,
 r: radius of the sphere.
 Substituting we have:
 V = (4/3) * (pi) * ((3) ^ 3) = 113.08 in ^ 3
 answer
 the best estimate for the volume of air in the balloon in cubic inches is
 C. 113.1