Unit 1 Segment C: Significant Figures We explain the rules for using significant figures. Unit 1 Segment C: Significant Figures We take you to a woodworking shop where we explain the rules for using ...

Significant figures are the digits in a number that carry meaning contributing to its precision. This includes all digits except: Leading zeros (zeros to the left of the first non-zero digit).

The mass of the Sun is roughly \(1,989,100,000,000,000,000,000,000,000,000 \text{ kg}\). The charge of an electron is around \(0.0000000000000000001602 \text {C ...

Another way of rounding numbers is to count only the first few digits (maybe \(1\), \(2\) or \(3\) figures) that have a value attached to them. This method of rounding is called significant figures ...