Question

Can someone help me out with this??
I am genuinely confused and my teacher won’t explain ?!?

Answer 1

Answer:

$→ \sqrt[4]{81 {x}^{8} {y}^{4} } \\ = {81}^{( \frac{1}{4})} {x}^{ (\frac{8}{4})}{y}^{ (\frac{4}{4})}\\= \boxed{3 {x}^{2} y}✓$

3x²y is the right answer.