3m^-4/m^3
3/m^12
3m^7
3m
3/m^7
(4r^0)^4
0
16
1
256
2m^2*2m^3
4m^6
4m^5
2m^5
2m^6
a^5/a^9
1/a^4
a^4
a^45
1/a^14
4r^-3r^2
4r^5
4r
4/r
4/r^6
(2x^2/y)^3
8x^6/y^3
6x^6/y^3
2x^6/y^3
2x^2/y^3
((-5)^3)^7
(-5)^10
-5^21
(-5)^21
1/5^21
2/-5x^-4z^2y
5x^4/2z^2y
10x^4/z^2y
2/-5x^4z^2y
2x^4/-5z^2y