02:23 duration 2 minutes 23 seconds
Using Exponent Rules, Part 1
Shows how to convert factors with negative exponents into ones with positive exponents and then how to apply the product and quotient rules to combine the exponents of factors with the same base.
04:18 duration 4 minutes 18 seconds
Solving Problems Modeled by Proportions
This video defines the terms ratio and proportion and then demonstrates how to use a proportion to solve an applicable word problem.