Significant Figures PowerPoint

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<strong>Significant</strong> Zeros A simple way to think about zeros is this: If zeros appear or disappear when you change the units or put a number in scientific notation, they were not significant figures. Ex: 6 m has 1 sig fig. 6 m = 6000 mm: still 1 sig fig. 0.005 s has 1 sig fig. 5 x 10 -3 s has 1 sig fig.
Scientific Notation A word about scientific notation, numbers in exponential form. We use them frequently in chemistry, because we often have to deal with very large or very small numbers. And all those zeros get to be a pain.
Page 1 and 2: Significant Figures Mathematics Inv
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Page 5 and 6: Significant Figures A good guideli
Page 7 and 8: Significant Figures But, zeros in
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Page 11: Significant Figures To show that w
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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