How many cubic inches of material do you need to make a solid rubber ball with a diameter of 3 in.? Round your answer to two decimal places.
A. 19.27 cu in.
B. 14.14 cu in.
C. 4.71 cu in.
D. 1.77 cu in.
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B 14.14 It is 4by3*pi*r*cube
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