This video uses a real world scenario to explore integer exponents. We will begin to solve the problem: Should I buy the phone I want now or wait until it's on sale?

Originally released by Apperson, 2013. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

What We Know vs. What We Need to Know (5:33); --Simplifying the Expression (3:13); -- Determining the Sale Price (9:03); -- Comparing Buying Now or Later (4:38); -- Solving the Big Question (6:10); .