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Counting Significant Figures (page 2 of 5)
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How do we identify the number of
significant figures
in a measurement?
First Rule
:
All non-zero digits are significant.
Examples
:
12 g
43.7 mL
5.327 m
2 sig figs
3 sig figs
4 sig figs
Second Rule
: Examine the values below. The
highlighted
zeros are considered 'significant'.
Explain
: What makes the highlighted zeros significant?