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Which monomial is the perfect cube?

Which monomial is the perfect cube?-example-1

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Find the cubic root of the first term ( numbers)

∛49 = 3.659

∛81 = 4.326

∛121 = 4.946

∛ 343 = 7


Because ∛343 is the only whole number answer ( no decimal places) the last answer is the correct one.

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