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Other

University of Rochester: Exponential Decay

For Students 9th - 10th
A detailed and comprehensive site explaining exponential decay. Includes formulas and many examples.
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Richland Community College

Richland Community College: Exponential Models

For Students 9th - 10th Standards
This site from Richland Community College contains specific examples of where logarithmic and exponential formulas are used, including: exponential growth and decay, Gaussian, logistics growth, and logarithmic.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Logarithm Functions

For Students 9th - 10th Standards
Detailed math tutorial introduces logarithm functions giving the basic properties and graphs. Also, discusses how to evaluate some basic logarithms including the use of the change of base formula, the common logarithm, log(x), and the...
Study Guide
Department of Defense

Do Dea: Ap Calculus: Radioactivity and Half Life [Pdf]

For Students 9th - 10th
Apply the Law of Exponential Change to solve a "real-world" science problem. Formulas and examples are provided. Great review for the AP Calculus test!