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