Evaluate square root of 13* square root of 13

$\sqrt{13} \cdot \sqrt{13}$

Step 1

Combine using the product rule for radicals.

$\sqrt{13 \cdot 13}$

Step 2

Write the expression using exponents.

Multiply $13$ by $13$ .

$\sqrt{169}$

Rewrite $169$ as $13^{2}$ .

$\sqrt{13^{2}}$

Step 3

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

$13$