Question

question
express in simplest radical form.
$sqrt{90}$
answer attempt 1 out of 2

Explanation:

Step1: Factor 90 into perfect square

$\sqrt{90} = \sqrt{9 \times 10}$

Step2: Separate the perfect square

$\sqrt{9 \times 10} = \sqrt{9} \times \sqrt{10}$

Step3: Simplify the perfect square root

$\sqrt{9} \times \sqrt{10} = 3\sqrt{10}$

Answer:

$3\sqrt{10}$