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Evaluate the following expression:

[tex]\[
\frac{1}{5^{-2}}
\][/tex]

A. [tex]\(\frac{1}{25}\)[/tex]
B. 25
C. [tex]\(-\frac{1}{25}\)[/tex]
D. [tex]\(-25\)[/tex]

Answer :

We start with the expression
[tex]$$
\frac{1}{5^{-2}}.
$$[/tex]

Recall that a negative exponent means the reciprocal of the base raised to the positive exponent. In other words,
[tex]$$
5^{-2} = \frac{1}{5^2} = \frac{1}{25}.
$$[/tex]

Substituting this back into the original expression gives:
[tex]$$
\frac{1}{5^{-2}} = \frac{1}{\frac{1}{25}}.
$$[/tex]

Dividing by a fraction is equivalent to multiplying by its reciprocal:
[tex]$$
\frac{1}{\frac{1}{25}} = 1 \times 25 = 25.
$$[/tex]

Thus, the final answer is:
[tex]$$
25.
$$[/tex]

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