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18 September, 20:03

A sphere with radius r has a volume of 100 square units. What is the volume of a sphere with a radius 3r?

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  1. 18 September, 20:12
    0
    Volume is cubic units.

    Cube 3 to get 27 (3³ = 27)

    The volume would be 27 times larger.

    100 x 27 = 2700 cubic units.
  2. 18 September, 20:20
    0
    300

    Step-by-step explanation:

    V=4/3 * pi * r^3

    If you sub in 100 for V, do some manipulation you get r cubed to equal 23.78.

    Now put the value of 23.78 in for r cubed and V comes out to be 300
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