Please help please ASAP!!!!!!!!

1. 4m exponent 5 6. x over 19zy
I hope you understand.
2. 2m exponent 7 7. x exponent 4 over y exponent 8
3. 8r exponent 5 8. 12 over ab
4. 4x exponent 2 9. 3x exponent 7 over 2y
5. 3 over m exponent 3 10. 1 over 16x exponent 8