Question

Найди значение произведения: 4√5⋅8√5

Answer 1

4√5⋅8√5=4⋅8√5√5=32*5=160

Answer 2

$\displaystyle \tt 4\sqrt{5}\cdot8\sqrt{5}=4\cdot8\cdot\sqrt{5\cdot5}=32\sqrt{5^{2}}=32\cdot5=160;$