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3 votes
Lets evaluate 81^-3/4.

2 Answers

4 votes
1/27 because that the answer
User Naldo
by
4.3k points
3 votes

Answer:

1/ 27

Explanation:


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


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


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


= (1)/(27)

User Rostyslav Dzinko
by
5.1k points