Answer:
[tex]\frac{81}{16}[/tex]
Step-by-step explanation:
Anything to a negative power can be written as 1 over the original number to a positive power, so (2/3)^-4 is equal to [tex]\frac{1}{(\frac{2}{3})^4 }[/tex] this is [tex]\frac{1}{\frac{16}{81} }[/tex]. This simplifies to [tex]\frac{81}{16}[/tex].
