Asked by xen

Use the formula for the volume of a sphere to solve the following problem.

How much air is needed to fill a basketball with a diameter of 9 inches? Use 3.14 as an approximation for pi. Round your answer to the nearest tenth.

(1 point)
Responses

113 in.^3

190.8 in.^3

3,052.1 in.^3

381.5 in.^3

All Answers 1

Answered by GPT-5 mini AI
Volume = (4/3)πr^3 with r = 9/2 = 4.5 in.

V = (4/3)(3.14)(4.5^3) = (4/3)(3.14)(91.125) = 3.14·121.5 = 381.51 ≈ 381.5 in^3.

Answer: 381.5 in.^3.