The correct option is A √(16)× nbsp;√(5)As nbsp;√(ab) = √(a)× nbsp;√(b) √(80) = √(16)× nbsp;√(5) nbsp; ...

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Square Roots

√80=

Question

$\sqrt{80} =$ _____

\sqrt{16} \times \sqrt{5}

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\sqrt{18} \times \sqrt{5}

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\sqrt{15} \times \sqrt{6}

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\sqrt{14} \times \sqrt{5}

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Solution

The correct option is A $\sqrt{16} \times \sqrt{5}$
As $\sqrt{a b} = \sqrt{a} \times \sqrt{b}$

$\sqrt{80} = \sqrt{16} \times \sqrt{5}$

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