Question

simplest form : 5√7 × 2√7​

Answer 1

Hello mate....

given.....

$5 \sqrt{7} \times 2 \sqrt{7} \\ = > 10( \sqrt{7} ) {}^{2} \\ = > 10(7) \\ = > 70$

Hope it helps u

Answer 2

$\sqrt[5]{7} \times \sqrt[2]{7}$

$10 \times \sqrt{7 \times 7}$

$10 \times 7$

$70$