Significant figures = important numbers Significant figures include all known digits plus one estimated digit 0.01 vs. 0.010 vs. 0.0100 Which number is.
Working with Significant Figures. Exact Numbers Some numbers are exact, either because: We count them (there are 14 elephants) By definition (1 inch =
Scientific Measurement Chapter 3 Lesson 2. Significant Numbers in Calculations A calculated answer cannot be more precise than the measuring tool. A calculated.
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ACCURACY AND PRECISION ACCURACY: refers to how close a measured value is to an accepted value PRECISION: refers to how close a series of measurements.
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Measurements Scientists use two word to describe how good the measurements are Accuracy- how close the measurement is to the actual value Precision- how.
