## Introductory Algebra for College Students (7th Edition)

$$\frac{1}{7^{2}}$$ or $$\frac{1}{49}$$
We use the negative exponent rule to express the negative exponent as a positive exponent: $$7^{-2} = \frac{1}{7^{2}}$$ Simplifying, we get: $$\frac{1}{49}$$