Khan Academy
Khan Academy: Pre Calculus: Vi and Sal Explore How We Think About Scale
A video exploring the idea of the logarithmic scale by comparing it to a piano keyboard. Frequencies made by each note on a piano follow a logarithmic scale. For example, the frequency made by a C is double the frequency of the C just...
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]