Question 63

In the following question, fill in the blanks to make the statements true.

The expression for $3^{5}$ with a negative exponent is ___

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Solution

Using law of exponents, $a^{- m} = \frac{1}{a^{m}} ∴ 3^{5} = \frac{1}{3^{- 5}}$
Hence, the expresssion for $3^{5}$ with a negative exponents is $\frac{1}{3^{- 5}}$

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