Significant Figures
Reference > Science![](/images/og/50x50xsigfig.png,qx=5.pagespeed.ic.NtYuJTCcPf.png)
An explanation of what significant figures are, and reasons for using them
![](/images/og/50x50xsigfig.png,qx=5.pagespeed.ic.NtYuJTCcPf.png)
How to perform addition and subtraction on values and properly determine significant figures
![](/images/og/50x50xsigfig.png,qx=5.pagespeed.ic.NtYuJTCcPf.png)
Using values that are not measured - mathematical constants, numbers in formulas, and counted values
![](/images/og/50x50xsigfig.png,qx=5.pagespeed.ic.NtYuJTCcPf.png)
Using multiplication and division of measured and non-measured quantities, using significant figures
![](/images/og/50x50xsigfig.png,qx=5.pagespeed.ic.NtYuJTCcPf.png)
Significatnt Figures word problems involving multiple steps with arithmetic operations
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