SOLUTION: What happens to the volume of a sphere when the radius is doubled?

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Question 846283: What happens to the volume of a sphere when the radius is doubled?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Vol is increased by 700% --> 8 times the original
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Vol+=+4%2Api%2Ar%5E3%2F3
New vol = 4%2Api%282r%29%5E3%2F3+=+32pi%2Ar%5E3%2F3
8 times as much.
7 times more.