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Question
Express the following rational numbers with a negative exponent:
\[\left( \frac{3}{5} \right)^4\]
Sum
Solution
\[ \left( \frac{3}{5} \right)^4 \]
\[ = \left( \frac{5}{3} \right)^{- 4} \left[ \because a^{- n} = \frac{1}{a^n} \right]\]
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