Answer:
1. 1/9
2. 27/8
3. 1
4. x^2
5. y^(-6)/x^3
6. y^9/x^5z^4
7. 8y^4/x^2
8. -12x^7y^10
9. 1/16x^9y^13
10. -1/8x^6y^-6z^3
Step-by-step explanation: To simplify expressions using exponent rules, you need to know the rules for multiplying, dividing, and raising powers to a power. Simplify if necessary.