Answer:
[tex]\frac{-1}{81x^4y^16}[/tex]
Step-by-step explanation:
→Rewrite the expression so that the exponent is no longer negative. To do this, you write it as:
[tex]\frac{-1}{(3xy^4)^4}[/tex]
→Apply the exponent (4) to the 3, x, and [tex]y^4[/tex]:
[tex]\frac{-1}{81x^4y^16}[/tex]
