Answer
$\log_{9} 13\approx1.1674$
Work Step by Step
By using the change of base formula, we can rewrite the given logarithm as:
$\log_{9} 13=\frac{\log_{10} 13}{\log_{10} 9}$
This can be easily calculated:
$\frac{\log_{10} 13}{\log_{10} 9}\approx1.1674$
