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

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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

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