Question

question
express in simplest radical form.
$sqrt{162}$

Explanation:

Step1: Factor out perfect square

$162 = 81 \times 2$

Step2: Split radical using product rule

$\sqrt{162} = \sqrt{81 \times 2} = \sqrt{81} \times \sqrt{2}$

Step3: Simplify perfect square root

$\sqrt{81} = 9$

Answer:

$9\sqrt{2}$