If the diameter of a youth baseball is 2.8 inches and the diameter of an adult softball is 3.8 inches, what is the approximate difference in their volumes? use 3.14 for pi . round to the nearest tenth.

volume = 4/3 x 3.14 x r^3

4/3 * 3.14 = 4.18666

radius of youth ball = 2.8/2 = 1.4

volume = 4.18666 x 1.4^3 = 11.488 cubic inches

radius of adult ball =  3.8/2 = 1.9

 voulume = 4.18666 x 1.9^3 = 28.716

28.72 - 11.49 = 17.2 cubic inches difference

answer: it's a

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answer: i realy don't get it that much can you me figer it out pleas you

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