Simplify $c^{2z}c^{z+1}$c2zcz+1, giving your answer in index form.
Simplify the following:
$\left(7^8\right)^x$(78)x
Simplify the following, giving your answer with a positive index: $\left(u^{x+1}\right)^3$(ux+1)3
Simplify the following, giving your answer without a fraction: $\frac{u^{2x+1}}{u^x}$u2x+1ux