Table of Contents

• Section 1. How can we tell when the population is growing exponentially?
• 1: In search of ... the exact doubling time
• 2: Finding doubling time with general numbers
• 3: Logarithms = Exponent-busters
• 4: Test your knowledge of logs
• 5: Let's bust some exponents
• Section 2. Applications
• 6: World Population
• 7: Growth of technology
• 8: How long before the oysters are unsafe?
• Review
• 9: Summary

Logarithms = Exponent-busters

In a word: when you have a problem with exponents, try logs. The great thing about logs is that they help make sense of very large and very small numbers.  They also help in solving equations with exponents.

If you're already comfortable with log expressions, just keep going. Otherwise, click here for  a quick reminder and an attempt to explain that exponent-busting magic.