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# Charts - Determining the Number of Significant Figures All...

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Determining the Number of Significant Figures 1 2 3 Significant Figures in Calculations 1. Multiplicat 2. Addition a SI Base Units Quantity Unit Symbol Length Meter m Mass Kilogram kg Time Second Symbol Temperature Kelvin kg Amount of SuMole mol Electric Curreampere A Luminous Intecandela cd Selected Prefixes Prefix Multiple Symbol mega 10^6 mol kilo 10^3 k deci 10^-1 d centi 10^-2 c milli 10^-3 m micro 10^-6 µ nano 10^-9 n All digits are significant except zeros at the beginning of the number and possibly terminal zeros. Thus 9.12, . 912cm, and 0.00912cm all contain three significant figures. Terminal zeros ending at the right of the decimal point are significant. Ex: 9.00cm, 9.10cm, and 90.0cm has 3 significant figures. Terminal zeros in a number without explicit decimal point may or may not be significant. Ex: 900cm, don’t know whether one, two, or 3 sig. figs. Intended. If they wrote 900.cm (note the decimal), the zeros are significant. Remove uncertainty by expressing

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Charts - Determining the Number of Significant Figures All...

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