Simplify Write Each Answer Using Positive Exponents Only $\frac{3^{-2}x^2y^{-6}}{7^{-2}x^{10}y^{-1}}$

Simplify. Write each answer using positive exponents only.
- $\frac{3^{-2}x^2y^{-6}}{7^{-2}x^{10}y^{-1}}$