Question

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Answer 1

There is 2145.52 cubic inches of air in the ball

Explanation:

A round ball is an example is hollow sphere. In order to find how much air the ball holds, the volume of the sphere needs to be found.

Given

Radius = r = 8 in

The volume of sphere is given by:

`V = (4)/(3) \pi r^3`

Putting the values we get

`V = (4)/(3) * (22)/(7) * (8)^3\\V = (4)/(3) * (22)/(7) * 512\\V = (45056)/(21)\\V = 2145.52\ in^3`

Hence,

There is 2145.52 cubic inches of air in the ball