Simplify 1 square root of 81

$1 \sqrt{81}$

Step 1

Multiply $\sqrt{81}$ by $1$ .

$\sqrt{81}$

Step 2

Rewrite $81$ as $9^{2}$ .

$\sqrt{9^{2}}$

Step 3

Pull terms out from under the radical, assuming positive real numbers.

$9$

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