Evaluate square root of 15* square root of 15

$\sqrt{15} \cdot \sqrt{15}$

Step 1

Combine using the product rule for radicals.

$\sqrt{15 \cdot 15}$

Step 2

Write the expression using exponents.

Multiply $15$ by $15$ .

$\sqrt{225}$

Rewrite $225$ as $15^{2}$ .

$\sqrt{15^{2}}$

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

$15$