Question

Helppp plzzzz...also give steps..plz

Answer 1

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Answer 2

4.5 cm

Explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

121.5 pi = 4/3 pi r^3

Divide each side by pi

121.5 = 4/3 r^3

Multiply each side by 3/4

3/4 *121.5 = 3/4 * 4/3 r^3

91.125 = r^3

Take the cube root of each side

(91.125)^ (1/3) = r^3 ^(1/3)

4.5 = r