Question
Simplify. Write the answers with positive exponents only.$$\left(p^{-7} q^{-4}\right)^{-2}$$
Step 1
This means we multiply the existing exponents by -2. $$\left(p^{-7} q^{-4}\right)^{-2} = p^{-7 \times -2} q^{-4 \times -2}$$ Show more…
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