## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$2.0115$
Using $\log_b a=\dfrac{\log a}{\log b}$ or the Change-of-Base Formula, the value of the given expression, $\log_{\pi} 10 ,$ to four decimal places is \begin{array}{l}\require{cancel} \dfrac{\log 10}{\log \pi} \\\\= 2.0115 .\end{array}