Solve for: sqrt(36a^4b)

Expression: $\sqrt{36a^{4}b}$

$\sqrt{36a^{4}b}=\sqrt{36}\sqrt{a^{4}}\sqrt{b}$

$=\sqrt{36}\sqrt{a^{4}}\sqrt{b}$

$\sqrt{36}=6$

$=6\sqrt{a^{4}}\sqrt{b}$

Simplify $\sqrt{a^{4}}:{\quad}a^{2}$

$=6a^{2}\sqrt{b}$