Evaluate 3 square root of 36

$3 \sqrt{36}$

Step 1

Rewrite $36$ as $6^{2}$ .

$3 \sqrt{6^{2}}$

Step 2

Multiply.

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

$3 \cdot 6$

Multiply $3$ by $6$ .

$18$

$18$

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