Question

What happens to the volume of a sphere when its diameter is doubled?

Answer 1

Its volume is 8 times greater.

Explanation:

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Answer 2

Consider this solution:
1) formula of volume is
`V= (4)/(3) \pi r^3, where \ r - radius`
2) if new_r=2r, then the formula is
`new_V= (4)/(3)*(2r)^3= (4)/(3) \pi *8r^3=8*( (4)/(3) \pi r^3)`
3) new_V/V=8:1
The volume increases by 8 times.