# THE LAWS OF LOGARITHMS Patterns & Relations #3. Prerequisites

date post

20-Jan-2016Category

## Documents

view

220download

0

Embed Size (px)

### Transcript of THE LAWS OF LOGARITHMS Patterns & Relations #3. Prerequisites

THE LAWS OF LOGARITHMSPatterns & Relations #3

Prerequisites

Answers to Prerequisites1. a) x6b) 108c) am+nd) x12e) 1010f) amng) x4h) 104i) am-n

2. a) 3b) 8

3.

Law of Logarithms for PowersRead p.79 of your textOne example is in base 10The second example is in base a

The law states:

Example

You trySolve the equation 5x = 40 to 5 decimal places.

The solution

Another Example

You try

The solution

Law of Logarithms for MultiplicationRead p.81 of your textOne example is in base 10The second example is in base a

The law states:

Example

You trySolve the equation 15 x 1.08n = 20 000 to 1 decimal place.

The solution

Law of Logarithms for Division

The law states:

Example

You trySimplify: log550 log5 0.4

You try

Textworkp.83/ 1-19

*View more*