\"\"

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Given that diameter of a sphere(d) = 12.5 cm.

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\"\"                           (Diameterof a sphere)

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\"\"                     (Substitute \"\")

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\"\"                (Divide each side by 2)

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\"\"                        (Simplify)\"\"

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Volume(V):

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\"\"                    (Volume of a sphere)

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\"\"         (Substitute \"\")

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\"\"        (Evaluate powers)

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\"\"              (Multiply)

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\"\"                 (Divide)

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\"\"        (Substitute \"\")

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\"\"                  (Multiply)\"\"

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The volume of the sphere is approximately 1022.1 cubic centimeters.