can anyone please explain to me how to simplify this exponential expression??I got no idea...THANKS A LOT!
[(-8x^6)/(y^-6)]^2/3
(-8 x^6 y^6)^2/3
square everything to get rid of that pesky - sign
(64 x^12 y^12 )^1/3
now take the cube roots
4 x^4 y^4