Question

8√7×9√7 with step by step​

Answer 1

$\longrightarrow{\green{}}$ $8 \sqrt{7} \times 9 \sqrt{7}$

$\longrightarrow{\green{}}$ $72 \times \sqrt{7} \times \sqrt{7}$

$\longrightarrow{\green{}}$ $72 \times ( { \sqrt{7} })^{2}$

$\longrightarrow{\green{}}$ $72 \times 7$

$\longrightarrow{\green{}}$ $504$