PLEASE HELP
write each expression in expotential form using only posotive exponents
1) (a^3)^-3
2) (b^2)^5
3) (a^4b^2)^3
4) (c^2d^3)^-4
1) (a^3)^-3 = 1 / a^9
2) (b^2)^5 = b^10
3) (a^4b^2)^3 =a^12 b^6
4) (c^2d^3)^-4 =1/(c^8 d^12)
