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Verified Answer :

mimilove227

The volume of a sphere is defined as:
V=(4pir^3)/3
then, if we double the radius of the sphere (r=2r):
V=(4pi(2r)^3)/3
V=(4pi(2^3r^3))/3
V=(4pir^3)/38

Then, the answer is that if you double the radius of the sphere, its volume is increased 8 times.

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