Determine the volume of a sphere with a radius of 1.28 inches. Round your answer to the nearest hundredth. Use 3.14 for pi.

Use the sphere volume formula, V = (4/3)πr³. With r = 1.28 inches and π = 3.14, V = (4/3)(3.14)(1.28³) ≈ 8.78 cubic inches. The correct choice is 8.78 cu. in.

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