Question

Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers.

sqrt20a^7 b * sqrt8a^8 b^6

Answer 1

\[ \sqrt20a^7 b * \sqrt8a^8 b^6\] square roots go all the way across

Answer 2

\[\sqrt{20a^7b\times 8 a^8b^6}\]
\[\sqrt{160a^{15}b^7}\]
\[4a^7b^3\sqrt{10ab}\]