SOLUTION: how many times does the volume of sphere becomes if radius is made (1)Doubled (2)Half

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Question 409492: how many times does the volume of sphere becomes if radius is made
(1)Doubled (2)Half
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Sphere:  

 V%5Br%5D+=+4%2F3%2Api%2Ar%5E3        |originally

  V%5B2r%5D+=+4%2F3%2Api%2A%282r%29%5E3   |  8 times the original volume

  V%5Br%2F2%5D+=+4%2F3%2Api%2A%28r%2F2%29%5E3 |  1/8 as much as the original volume