Source: Renee Haugen
Use the Khan Academy video to complete the rest of your Power Notes on sig figs (#8, 9, and 10).
Then Practice, Practice, Practice!
Source: Renee Haugen
Source: ChemTeam
Calculating with Significant Figures with Khan Academy
Source: Khan Academy YouTube
Work on the following tutorials until you can get the answers right!
http://www.sciencegeek.net/APchemistry/APtaters/sigfigs.htm
http://www.dallassd.com/our%20schools/high%20school/Chemsite/chem/hotpot/sf.htm
Source: ScienceGeek.net, dallassd