Question

1. simplify: \\(\sqrt{40}\\)

Explanation:

Step1: Factor out perfect square

$\sqrt{40} = \sqrt{4 \times 10}$

Step2: Split square root

$\sqrt{4 \times 10} = \sqrt{4} \times \sqrt{10}$

Step3: Simplify perfect square root

$\sqrt{4} \times \sqrt{10} = 2\sqrt{10}$

Answer:

$2\sqrt{10}$