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Sig Figs and Sci Nots (Significant Figures and Scientific Notation)

Sig Figs and Sci Nots (Significant Figures and Scientific Notation). Quantitative Values in Chemistry (Math!!). Scientific Notation. Used for writing very small or very large numbers. Written as the coefficient multiplied by 10 raised to a power: 3.0 x 10 4

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Sig Figs and Sci Nots (Significant Figures and Scientific Notation)

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  1. Sig Figs and SciNots(Significant Figures and Scientific Notation) Quantitative Values in Chemistry (Math!!)

  2. Scientific Notation • Used for writing very small or very large numbers. • Written as the coefficient multiplied by 10 raised to a power: 3.0 x 104 • For numbers > 10 exponents are positive • For numbers < 10 exponents are negative • To multiply in SciNots, add exponents. • To divide in SciNots, subtract exponents.

  3. SciNotsPractice! • A gold atom has a mass of 0.000 000 000 000 000 000 000 327g. Write this number in Scientific Notation. • The radius of earth is 6 378 000 meters. Express in SciNot. • Diameter of a human hair: 0.000 008m. • Length of a football field: 91.4m

  4. Sig Figs?

  5. Two are infinite!

  6. Sig Figs in Measurements

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