# Chapter 9 - Section 9.2 - Exponential Functions - 9.2 Exercises: 28

$x=2$

#### Work Step by Step

We are given the equation $8^{x}=64$. First, we must write both sides using the same base. $8^{x}=8^{2}$ Next, we must take the natural log of both sides. $ln(8^{x})=ln(8^{2})$ $xln(8)=2ln(8)$ Divide both sides by $ln(8)$. $x=2$

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