Mollyskate Mollyskate

08-01-2018
Mathematics

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If n is a positive integer such that n^3 is a four digit number with thousands digit 9, what is the value of n?

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Аноним Аноним

08-01-2018

n^3 = 9xxx

20^3 = 8000

21^3 = 9261

n = 21 Answer

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