Chapter 4 - Section 4.4 - Evaluating Logarithms and the Change-of-Base Theorem - 4.4 Exercises - Page 435: 54

$\approx9.8386$

Using the properties of natural logarithms, the value of the given expression, $ \ln(33\times568) ,$ is \begin{array}{l}\require{cancel} \ln33+\ln568 \\\\\approx 3.4965+6.3421 \\\\ \approx9.8386 .\end{array}