# Ch # 3 Logarithm Review Excercise

Welcome to your Ch # 3 Logarithm Review Excercise

1. $log_{9}{\frac{1}{81}}=$
2. $log_{2}8=x$ then $x=$
3. Base of common log is
4. $log \sqrt{10}=$
5. for any non-zero value of $x,$ $x=$
6. Rewrite $t=log_{b}m$ as an exponential equation
7. Characteristic of 0.000059 is
8. $log_{7}{\frac{1}{\sqrt{7}}}$
9. Base of natural log is
10. $logm+logn=$
11. 0.069 can be written in scientific notation as
12. $lnx-2lny$