Use the zero or negative exponent rule to simplify the expression.
\[
7^{-2}
\]
\[
7^{-2}=
\]
(Type an integer or a simplified fraction.)

Answer

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Answer

\(\boxed{\frac{1}{49}}\) is the final answer.

Steps

Step 1 ：Rewrite the expression \(7^{-2}\) as \(\frac{1}{7^{2}}\) according to the negative exponent rule.

Step 2 ：Calculate the denominator \(7^{2}\) to get 49.

Step 3 ：So, the simplified form of \(7^{-2}\) is \(\frac{1}{49}\).

Step 4 ：\(\boxed{\frac{1}{49}}\) is the final answer.