**Significant Digits Limestone Community High School**

RULES FOR SIGNIFICANT FIGURES . 1. All non-zero numbers ARE significant. The number 33.2 has THREE significant figures because all of the digits present are non-zero.. Rules and conventions : вЂў All non-zero digits in a number are significant. Example: Numbers 0.0000216, 0.0216, 21.6 and 216 have the same).

**General Chemistry Use of Appropriate Significant Figures**

Significant Figures Rules and Uncertainty sciencenotes.org. all non-zero digits are significant: placeholder leading and trailing digits do not occur, so all digits are significant. for example,, significant digits. nilufa rahim sept. 21, 2007. identifying significant digits. 1 . all non-zero digits are significant. example: '123.45' has five significant).

How many significant figures are in this number 500.00. all non-zero digits are significant. for example: 123. (3 sig figs) zeros between non-zero digits are significant. for example: 12.507 (5 sig figs), 5. approximate numbers example 1 - significant digits (assume all numbers are measurements) number: the last non-zero number is significant.).

**What are significant figures? Quora**