The inner radius of a spherical ball is 13 cm. How many liters of air are in it? Justify your answer!

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Answer to a math question The inner radius of a spherical ball is 13 cm. How many liters of air are in it? Justify your answer!

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Kötet\:\:of\:\:a\:\:gömb\:\:=\:\:\frac{4}{3}\pi r^3

Térfogat\:\:of\:\:ball\:\:=\frac{4}{3}\pi13^3=9202.772\:\:cm^3=9.2\:\:liter\:\: \left\lbrack1\:\:\operatorname{cm}^3\:\:=\:\:0.001\:\:L\right\rbrack

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