Using 3.14 for pi, what is the volume of a sphere with a radius of 3?
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Correct answer to question 97 (Mathematics Knowledge): 113.04
Method
A sphere's volume is four thirds pi times the radius cubed. The radius cubed is 27, and four thirds of 3.14 x 27 gives 113.04. Leaving out the four thirds gives 84.78.
Updated: November 2026
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