Simplify: 9 squared to the 2 power

Derek Mortimer asked Apr 21, 2023

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Derek Mortimer asked Apr 21, 2023

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15 votes

The given expression is

$(\sqrt[]{9)}^2$

The first step is to evaluate the term in the bracket. The suare root of 9 is 3

$\sqrt[]{9\text{ }}=\text{ 3}$

Then we would square the result

$3^2\text{ = 9}$

The answer is 9

It could have been done this way

$(9^{(1)/(2)})^2=9^{(2)/(2)}=\text{ 9}$

Abson answered Apr 27, 2023

by Abson

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