2021-08-28

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Chemistry in a Nutshell

Significant figures (significant digits) tell us how many meaningful digits are in a recorded or calculated value. 3,200,000 can mean anything from 3,150,000 to 3,249,999. If you add 2, you can't report your answer as 3,200,002 and assume you're certain that the last digit is a 2.

You can find all of my sig fig videos here: https://www.youtube.com/playlist?list=PLvUW25kBaMMs9m0GL4dz8jSs0K4PWfqCp

Time Stamps:

0:00 Introduction

0:59 Definition of Sig Figs

1:43 Explanation without Numbers: A Restaurant in Chicago

3:37 Example: 3,200,000 + 2

6:44 What Sig Figs Entail

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