Sophia Learning
Sophia: Adding and Subtracting Using Significant Figures
A lecture giving the rules and an example for adding and subtracting numbers using significant figures. The lecture also describes why one must use significant figures when recording data. [2:41]
Sophia Learning
Sophia: Dividing W/ Significant Figures: Lesson 1
This lesson should help a learner understand how to determine the appropriate amount of significant figures when dividing numbers. It is 1 of 4 in the series titled "Dividing w/ Significant Figures."