1. =a^(2+3)=a^5
2. = a^(2+1+4)=a^7
3.= x^(2+5)*y^(3+4)=x^7*y^7
4.=x^(1+5)*y^(4+1)=x^6*y^5
5. =x^(4-3)=x^1
6. a^(7+1-4)=a^4
7. b^(4+3+1-2-3)=b^3
8.=a^(3*6)=a^18
9. =-z^(3*5)=-z^15
10.=m^(3*4+2)=m^14
11 =a^(4+2*3)=a^10
12. =a^(3+2+6)=a^11
13. =a^(6+2*4+3*2)=a^20
14. =a^(5*2+3+2*4)=a^(10+3+8)=a^21