Respuesta :

The expression without an exponent is -1/9

How to rewrite the expression without an exponent?

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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