Question

Solve...

Answer 1

negative expnent means bring to denominator \[\huge \frac{1}{(81)^{\frac{1}{4}}}\]

Answer 2

Remember :
\[\Large x^{-m}= \frac{1}{x^m}\]
\[\Large 81^\frac{-1}{4}= \frac{1}{81^\frac{1}{4}}\]

Answer 3

Also remember that:
\[\huge z^\frac{x}{y}=\sqrt[y]{z^x}\]

Answer 4

also remember.....nahh i got nothing