Evaluate square root of 7* square root of 7

$\sqrt{7} \cdot \sqrt{7}$

Step 1

Combine using the product rule for radicals.

$\sqrt{7 \cdot 7}$

Step 2

Write the expression using exponents.

Multiply $7$ by $7$ .

$\sqrt{49}$

Rewrite $49$ as $7^{2}$ .

$\sqrt{7^{2}}$

Step 3

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

$7$