Rules for Significant Figures - Significant Figures are obtained from a measurement are approximate values. The significant figures in a number are all the digits except any zeros before the first non-zero digit.
1.03 Accuracy, Precision and Significant Figures - ppt download
M1Q0b: Accuracy, Precision, and Significant Figures – Chem 103/104 Resource Book
Significant Figures and Scientific Notation, Rules & Examples - Lesson
Significant figures rules (sig fig rules) (video)
Significant figures « KaiserScience
Notes 1.2 - Significant Figures, PDF, Significant Figures
Chapter 1: Measurements in Chemistry - Chemistry
ACCURACY, PRECISION, AND SIGNIFICANT FIGURES The
Chapter 1: Measurements in Chemistry - Chemistry