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Brums [2.3K]
3 years ago
10

Simplify the expression. Write the answer with positive exponents only. Assume the variable represents a nonzero real number.

Mathematics
1 answer:
luda_lava [24]3 years ago
3 0

Answer:

\frac{1}{w^{29}}

Step-by-step explanation:

The given expression is \frac{w^{-7}(w^{-9})^2}{w^4}.

Since, w^{-7}=\frac{1}{w^7}

And w^{9}=\frac{1}{w^9}

Expression will become,

\frac{w^{-7}(w^{-9})^2}{w^4}=\frac{\frac{1}{w^7}(\frac{1}{w^9})^2}{w^4}

               =\frac{\frac{1}{w^7\times w^{18}}}{w^4}

               =\frac{\frac{1}{w^{(7+18)}}}{w^4}

               =\frac{1}{w^{25}}\times \frac{1}{w^4}

               =\frac{1}{w^{25}\times w^4}

               =\frac{1}{w^{29}}

Therefore, Simplified form of the given expression will be \frac{1}{w^{29}}.

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