Question

PLEASE SOLVE THIS PROBLEM WITH HIS FULL SOLUTION

Answer 1

The answer is 70 because 70*70 is 4900

Answer 2

$Given : \sqrt{175} * \sqrt{28}$

$=> \sqrt{7 * 25} * \sqrt{7 * 4}$

$=> \sqrt{7} \sqrt{25} \sqrt{7} \sqrt{4}$

$=> \sqrt{7} * \sqrt{7} * 5 * 2$

$=> 7 * 5 * 2$

= > 70.

Hope this helps!