What is the radius of a sphere if its exact value is

a) [[$ \displaystyle\frac {4} {3} \pi \;\text{m}^3 $]]?

Answer: The radius of the sphere is m.

b) [[$ 36 \pi \;\text{m}^3 $]]?

Answer: The radius of the sphere is m.

c) [[$ 10\displaystyle\frac {2} {3} \pi \;\text{m}^3 $]]?

Answer: The radius of the sphere is m.

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