Significant Figures PowerPoint

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Significant Figures This brings up an interesting question: Are there digits that are not significant? The answer is, Yes! All non-zero digits are automatically significant. And zeros that show precision are significant. However, zeros that only serve as place holders, that is, they locate the decimal in a number, are not significant!
Significant Figures A good guideline to follow is this: If zeros appear or disappear when you change the units of the measurement, the zeros are not significant. For example, 5 m has 1 significant figure. But 5 m = 5000 mm. Are the 3 zeros significant? No! They simply appeared because we changed units. Both numbers have 1 sig. fig.
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Page 13 and 14: Scientific Notation A word about s
Page 15 and 16: Time to try your hand at sig figs.
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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