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Important stuff you should know
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Weird math in examples 3.6 and 3.7. 2.8-4.2=-1.4!!!!!
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Long HW (#4) due tomorrow

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Old 3.7 Significant Figures, if you have the
old version of the text, but a good brief
primer.
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Details via email. I am not too picky, as long as you
are sensible. Exception: formal lab report.
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The rule for addition and subtraction is different than
the rule for multiplication and division
•
For adding and subtracting, the
number of
decimal
places
is the important consideration
•
For multiplying and dividing, the
number of
significant figures
is the important consideration