Which is the last number i am confused? plz help

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asked Feb 19, 2018 168k views

1 Answer

Arnold Ewin · Answer 1 · 2018-02-22T23:18:48+0000

Of course, the number is 7.

You have its square and its cube.

To find x from its square: √49 = 7

To find x from its cube: cubic root of 343 = 7

You made a mistake in the first column. The cubic root of 8000 is 20. The square of 20 is 400

Which is the last number i am confused? plz help

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