SOLUTION: what is the volume of a sphere with a radius of 45 inches?

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Question 285250: what is the volume of a sphere with a radius of 45 inches?
Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
V=(pid^3)/6
V=3.14*90^3/6
V=282.6/6
V=47.1 cu in

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
V+=+4%2Api%2Ar%5E3%2F3
V+=+4%2Api%2A45%5E3%2F3
V = 121500pi cubic inches
V =~ 381703 cubic inches
V =~ 221 cubic feet
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The other tutor didn't use 90^3, just used 90.