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# Negative Exponents

1. 1
Evaluate $$2^{-1}$$
2. 2
a) Evaluate $$(-3)^{-2}$$ b) Evaluate $$-3^{-2}$$

Good test questions !
3. 3
Simplify $$\frac{x^{-2}}{y^{-3}}$$  Important Lesson!!
4. 4
Simplify $$\frac{x^{-7}y^{-4}}{x^{-9}y^{-2}}$$
5. 5
Simplify. Express each answer with positive exponents. $$\frac{10x^{-3}y^{-8}}{6x^{-5}y^{-3}}$$
6. 6
Simplify. Express each answer with positive exponents. $$\frac{(3x^{2}y^{-3})(7xy^{-4})}{14x^5y^{-2}}$$
7. 7
Simplify. Express each answer with positive exponents. $$\frac{(-2x^{3}y^{-4})(8x^3y^{-5})}{6x^5y^{-7}}$$
8. 8
Simplify. Express each answer with positive exponents. $$\frac{5m^2n^{-3}}{2mn^4}\times\frac{8m^{-3}n}{15m^{-1}n^3}$$
9. 9
Simplify. Express each answer with positive exponents. $$\frac{-2m^3n^{-4}}{3m^2n^{-4}}\times\frac{-9m^{-4}n^2}{12m^{-2}n^2}$$
10. 10
Simplify. Express each answer with positive exponents. $$\frac{-6x^4y^{-2}}{4x^2y^{-3}}\div\frac{-8x^{-5}y^3}{3x^{-4}y^3}$$

$$e=mc^2$$