Answer:
Here’s the answer :)
Step-by-step explanation:
[tex] {81}^{ - 1} \: or \: \frac{1}{81} [/tex]
[tex] {3}^{ - 4} [/tex]
Apply rule :
[tex] {a}^{ - 1} = \frac{1}{ {a}^{1} } [/tex]
[tex] \frac{1}{ {3}^{4} } = \frac{1}{81} \: or \: {81}^{ - 1} [/tex]
