Question

$\sqrt{28} \times \sqrt{7} =$
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Answer 1

$\sqrt{28} \times \sqrt{7} \\ \\ \sqrt{28 \times 7} \\ \\ \sqrt{196} \\ \\ 14$

Hope it's helpful to you..

Answer 2

Answer

$= \sqrt{28} \times \sqrt{7}$

$= \sqrt{7 \times 4 } \times \sqrt{7}$

$= \sqrt{7 \times 4 \times 7}$

$= \sqrt{7 \times 2 \times 2 \times 7}$

$= 7 \times 2$

$= 14$