Test & Measurement Europe. Download the pdf. Instruments such as this DMM display as many as 5½ digits of resolution. (Courtesy of Keithley Instruments.) When you count apples, oranges, or transistors ...

Record your measurements to the appropriate significant figures. Use the sig-fig rules to determine the uncertainty in the calculation. If you do this, you are probably a chemist.

How can I have the mass measured to 3 significant figures, ... way of dealing with the idea that measurements are not exact. One way is to include an uncertainty value with any measurement ...

Chemistry & Physics. Physics 104: Accuracy, Precision, and Significant Digits. Season 2 Episode 104 | 30m 1s. Students distinguish between accuracy and precision of measurements.