Evaluate 2 square root of 121

$2 \sqrt{121}$

Step 1

Rewrite $121$ as $11^{2}$ .

$2 \sqrt{11^{2}}$

Step 2

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

$2 \cdot 11$

Step 3

Multiply $2$ by $11$ .

$22$

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