Answer:

1.x^4

2.y^7/x

3.h^6

4.5x^4y^3

5.3^4 or 81

6.b^4

7.1/c^10

8.9/16

9.4m^6n^4

10.16x^4y^2

11.1x^3/3

12.1

13.a^3/b^4

14.5n^3/m^2

15.2x^8z^3/y^6

Answer:

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
10. 
11. 
12. 1
13. 
14. 
15.