Evaluate square root of 100-64

$\sqrt{100 - 64}$

Step 1

Subtract $64$ from $100$ .

$\sqrt{36}$

Step 2

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

$\sqrt{6^{2}}$

Step 3

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

$6$

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