# Chapter 5 - Exponential and Logarithmic Functions - 5.4 Logarithmic Functions - 5.4 Assess Your Understanding - Page 294: 15

$\log_2{7.2}=x$

#### Work Step by Step

We know that if $a^x=y$, then $\log_a{y}=x$. Hence if $2^x=7.2$, then $\log_2{7.2}=x.$

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