Question

Z^14/5•z^-4/5 simplify each expression

Answer 1

`z^{(14)/(5)}\cdot z^{-(4)/(5)}=z^{(14)/(5)+\left(-(4)/(5)\right)}=z^{(14-4)/(5)}=z^{(10)/(5)}=z^2\\\\Used:\ a^n\cdot a^m=a^(n+m)`