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Significant Figures Counting and Rounding

Significant Figures Counting and Rounding. Mujahid Sheikh Suzanne Halpern. How to…. Rounding. All numbers that are not zero are significant Zeros are significant in two cases Zeros before a decimal point Zeros after the decimal point. To get more SigFigs

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Significant Figures Counting and Rounding

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  1. Significant Figures Counting and Rounding Mujahid Sheikh Suzanne Halpern

  2. How to… Rounding All numbers that are not zero are significant Zeros are significant in two cases Zeros before a decimal point Zeros after the decimal point To get more SigFigs Put a decimal point and add zeros after the decimal point To get less SigFigs Put your number to the nearest power OR Round your number up to the nearest digit Counting

  3. Sample Problems Count and underline the SigFigs • 8733 SigFigs • 60 1 SigFig • 60. 2 SigFigs • 0.602 SigFigs • 720.63709 SigFigs • 990.04 SigFigs • 99.03 SigFigs Round the SigFigs to the indicated number • 3 SigFigs • 20→20.0 • 3 SigFigs • 72000→720 x 10^2 • 2 SigFigs • 729→730

  4. Practice Problems Count and underline the SigFigs • 198 • 120 • 120. • 0.6000 • 720.6370 • 88970.04 • 78.0 Round the SigFigs to the indicated number • 3 SigFigs • 88 • 5 SigFigs • 72000000 • 4 SigFigs • 72697

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