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jeka94
3 years ago
13

How to solve this?? (r^-7b^-8) ^0 ------------- (t^-4w)

Mathematics
2 answers:
professor190 [17]3 years ago
6 0

keeping in mind that anything raised at the 0 power, is 1, with the sole exception of 0 itself.


\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad a^n\implies \cfrac{1}{a^{-n}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\cfrac{(r^{-7}b^{-8})^0}{t^{-4}w}\implies \cfrac{1}{t^{-4}w}\implies \cfrac{1}{t^{-4}}\cdot \cfrac{1}{w}\implies t^4\cdot \cfrac{1}{w}\implies \cfrac{t^4}{w}

Alchen [17]3 years ago
3 0
Here’s the problem solved:

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