# Chapter 7 - Exponents and Exponential Functions - 7-2 Multiplying Powers With the Same Base - Practice and Problem-Solving Exercises: 43

The answer is $\frac{1}{a}$ or $a^{-1}$

#### Work Step by Step

To solve this = $\frac{1}{a^{4} \times a^{-3}}$ = $\frac{1}{a^{4+(-3)}}$ = $\frac{1}{a^{4-3}}$ = $\frac{1}{a^{1}}$ = $\frac{1}{a}$ or $a^{-1}$

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