This symbol ^ means to the power of. Hope this helps :)
10. 1
11. 1/25 I'm assuming that is a 5 In the question
12. -1/25
13. 1/16
14. 1/64
15. -1
16.-1/12
17.1/64 assuming it is to the 6th power
18. 1/58
19. 1/2.25
20. -1/125
21. 4a
22. x^7
23.5/(x^4)
24. e
25. 1/9n
26.1/k^4
27. 3/(x^2)(y)
28. 7a/3(3b^2)u
29. 1/(c^5)(d^7)
30. d^7/c^5
31. 4s^3
32. 7s(t^3)/5
33. 6/ac^3
34. x^2/8z^7
35. t^7/u^11
36. 14/(t^5)(m^2)