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Significant figures

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Significant Figures

Noah Spiner 8/25/10 Chemistry p.2 Notes Rules for counting significant figures All non-zero digits are significant. Ex ? 12.83 (4) 16935 (5) Zeros between other significant figures are significant. Ex ? 12,038 (5) 169.04 (5) Zeros to the right of a decimal point and to the right of a number are significant. Ex ? 169.00 (5) A zero standing alone to the left of a decimal point is not significant. Ex ? 0.421 (3) Zeros to the right of the decimal and to the left of a number are not significant. Ex ? 0.000421(3)

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