# How To Think With Exponents And Logarithms

Here’s a trick for thinking through problems involving exponents and logs. Just ask two questions:

**Are we talking about inputs (cause of the change) or outputs (the actual change that happened?)**

- Logarithms reveal the inputs that caused the growth
- Exponents find the final result of growth

**Are we talking about the grower’s perspective, or an observer’s?**... Read article