Significant Figures PowerPoint

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Scientific Notation The classic example involves a number that chemists use all the time. The number is 602,000,000,000,000,000,000,000 It would be ridiculous to write the number out this way each time, so instead we use scientific notation: 6.02 x 10 23 . Much more efficient. This number has 3 sig. figs: 6, 0 and 2 in both the exponential and non-exponential forms.
Time to try your hand at sig figs. How many sig figs in each of these values? 3.041 m 0.000050 m 2 3,480,200 yr -1.200°C 1.0800 x 10 -2 L 6000 m Let’s see how you did. Here are the answers 4 2 5 4 5 3
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Page 3 and 4: Significant Figures So what the he
Page 5 and 6: Significant Figures A good guideli
Page 7 and 8: Significant Figures But, zeros in
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Page 13: Scientific Notation A word about s
Page 17 and 18: Rounding Round each to 4 sig figs.
Page 19 and 20: Rounding Exact Fives Five is that

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