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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?

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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4 votes
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?

User Murali Rao
by
7.5k points

1 Answer

4 votes
n^3 = 9xxx

20^3 = 8000

21^3 = 9261


n = 21 Answer


User BlackBox
by
8.9k points
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