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