## anonymous 3 years ago what is -(14x)^0y^-7z in simplified form?

1. anonymous

start with the fact that $$b^0=1$$ and get $-1\times y^{-7}\times z$

2. anonymous

then use $$b^{-n}=\frac{1}{b^n}$$ to get $-\frac{z}{y^7}$

3. anonymous

Thanx so much