The expression without an exponent is -1/9
The expression is given as:
(-9)^-1
Apply the power rule of indices
So, we have:
(-9)^-1 = 1/(-9)
Remove the bracket
(-9)^-1 = 1/-9
Evaluate the quotient
(-9)^-1 = -1/9
Hence, the expression without an exponent is -1/9
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