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OpenStudy (anonymous):
Ehat is the volume of a sphere with radius 9 ft? Leave answers in terms of pi please.
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hartnn (hartnn):
volume of sphere with radius r is \(\huge V=(4/3)\pi r^3\) just put r = 9 here.
OpenStudy (anonymous):
Is it 108 pi ft to the third power?
hartnn (hartnn):
nopes, r^3 = 9^3 = 729 4/3 *729 = 972 so answer is 972 pi ft^3
OpenStudy (anonymous):
Do you know what I did wrong?
hartnn (hartnn):
how did u get 108 ?
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