MJane234 Group Title what is -(14x)^0y^-7z in simplified form? one year ago one year ago

1. satellite73 Group Title

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

2. satellite73 Group Title

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

3. MJane234 Group Title

Thanx so much