Simplify square root of 49a^8

$\sqrt{49 a^{8}}$

Step 1

Rewrite $49 a^{8}$ as ${(7 a^{4})}^{2}$ .

$\sqrt{{(7 a^{4})}^{2}}$

Step 2

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

$7 a^{4}$

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