Which of the following is an equivalent expression to 81−1/2?(1 point)

Responses

1/81√
Start Fraction 1 over Start Root 81 End Root End Fraction

−81−−√
negative Start Root 81 End Root

81−−√
Start Root 81 End Root

−1/81√

−1/9+−√

To find the equivalent expression to 81−1/2, you need to simplify it.

The correct answer is −81−−√.