Significant Figures in Logarithms & Antilogs

Learn how to round log and antilog answers to the correct number of sig figs. There's just one rule: The number of sig figs after the decimal in the calculated log value equals the number of significant figures in the original number. In chemistry, this is useful when doing pH calculations. Related Units: Studying sig figs? Here's the full playlist: https://www.youtube.com/playlist?list=PLvUW25kBaMMs9m0GL4dz8jSs0K4PWfqCp If you want a strong foundation for chemistry, watch the full playlist: https://www.youtube.com/playlist?list=PLvUW25kBaMMssGHFrR4Ee7_-8cFBvBkgN If you're studying early atomic theory, this playlist is your friend: https://www.youtube.com/playlist?list=PLvUW25kBaMMszGN5XY0QXNP_t-9Z-B8C2 If you're studying for the MCAT: https://www.youtube.com/playlist?list=PLvUW25kBaMMuJZI5IVWO8X0syBANn-YqY 🧪Support free education & more through Patreon! https://www.patreon.com/c/ChemistryinaNutshell 🔬As an Amazon Affiliate, I earn from qualifying purchases at no extra cost to you. Start any shopping journey here: https://amzn.to/3IXuAcS Time Stamps: 0:00 Introduction 0:32 The Rule 1:03 Log Example Problems 4:12 Antilog Example Problems #SignificantFigures #SigFigs #ChemistryEducation