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Question
Express the following rational numbers with a positive exponent:
Solution
\[\left\{ \left( \frac{4}{3} \right)^{- 3} \right\}^{- 4} \]
\[ = \left( \frac{4}{3} \right)^{- 4 \times - 3} \]
\[ = \left( \frac{4}{3} \right)^{12}\] → ((am)n = amn)
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