Which of the following is an equivalent expression to 81^− 1/2?(1 point)
Responses
-√81
− 1/√81
√81
1/√81
√81
To find an equivalent expression to 81^(-1/2), we need to simplify the exponent.
The negative exponent can be rewritten as the reciprocal of the positive exponent.
Therefore, 81^(-1/2) is equivalent to 1/√81.
So, the correct choice is (D) 1/√81.