# Logarithm properties

14 videos

1 skill

You want to go deeper in your understanding of logarithms. This tutorial does just that by exploring properties of logarithms that will help you manipulate them in entirely new ways (mostly falling out of exponent properties).

### Introduction to logarithm properties

VIDEO
9:14 minutes

Introduction to the first two logarithm properties.

### Introduction to logarithm properties (part 2)

VIDEO
10:04 minutes

Second part of the introduction to logarithm properties.

### Using multiple logarithm properties to simplify

VIDEO
2:10 minutes

Using Multiple Logarithm Properties to Simplify

### Operations with logarithms

PRACTICE PROBLEMS

### Proof: log a + log b = log ab

VIDEO
7:08 minutes

Proof of the logarithm property: log a + log b = log ab

### Proof: a log b = log(b^a), log a - log b = log(a/b)

VIDEO
7:57 minutes

Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)

### Change of base formula proof

VIDEO
4:59 minutes

### Logarithmic scale

VIDEO
11:15 minutes

Understanding how logarithmic scale is different from linear scale and why it could be useful

### Richter scale

VIDEO
11:19 minutes

The basics of the logarithmic Richter and Moment Magnitude Scales to measure earthquakes