When applying the Property of Negative Integer Exponents to solve 9−2

, which of the following is the correct answer?(1 point)
Responses

129
the fraction with numerator 1 and denominator 2 to the 9th power

81
81

19−2
the fraction with numerator 1 and denominator 9 to the negative 2 power

181

1 answer

To solve \(9^{-2}\) using the Property of Negative Integer Exponents, we apply the rule that states \(x^{-n} = \frac{1}{x^n}\).

So, for \(9^{-2}\):

\[ 9^{-2} = \frac{1}{9^2} \]

Now, we calculate \(9^2\):

\[ 9^2 = 81 \]

Therefore:

\[ 9^{-2} = \frac{1}{81} \]

Among the provided options, the correct answer is:

the fraction with numerator 1 and denominator 9 to the negative 2 power.

However, this is a bit ambiguous, as it does not perfectly align with our conclusion, which is \(\frac{1}{81}\). If "the fraction with numerator 1 and denominator 9 to the negative 2 power" is intended to refer to its evaluation, it would have to mean the evaluation leads to \(\frac{1}{81}\).

To summarize, the correct simplified answer to \(9^{-2}\) is \(\frac{1}{81}\).

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