Curated OER
How Do You Express a Logarithm in Terms of Common Logarithms?
Logarithms can be a little tricky and if you'd like to use a calculator you'll need to use a formula to change the given logarithm into base ten. This tutorial defines the formula, uses it to change a logarithm to base ten, then how to...
Khan Academy
Khan Academy: Algebra: Solving Logarithmic Equations
Demonstrates how to solve a logarithmic equation that involves common logarithms by applying different logarithmic properties. [4:13]