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. 4.71 cu in. c. 14.14 cu in. d. 1.77 cu in.

In order to find how much material is needed in order to make a solid rubber ball we should find the volume of the ball. The ball is an example of sphere, so we should find the volume of the sphere.
The volume of the ball can be calculated with the formula: 
V=4/3*pi*radius^3
We know that the diameter is 3in, so the radius is radius=diameter/2=3/2 in.
V=4/3*pi*(3/2)^3=1.33*3.14*3.37=14.14 cu in.
C.

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