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11 July, 22:59

What is the square root of 81?

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Answers (2)
  1. 11 July, 23:25
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    The answer is 9. That is because 9 x 9 is 81
  2. 11 July, 23:28
    0
    Let say 81=x.

    The square root of x is a number*the same number=x.

    In our case, - 8 and 8 works. But, because this question asks just for the square root, we use the principal root which is just 9.

    9 is your answer.
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