164k views
3 votes
Lets evaluate 81^-3/4.

2 Answers

4 votes
1/27 because that the answer
User Naldo
by
7.7k points
3 votes

Answer:

1/ 27

Explanation:


= 81^{ (-3)/(4) }


= ((1)/(81)) ^{ (3)/(4) }


= ((1)/(3)) ^3


= (1)/(27)

User Rostyslav Dzinko
by
8.5k points