Practical investigations
Read our general notes on Risk Assessment
Significant figures
http://www.chem.sc.edu/faculty/morgan/resources/sigfigs/index.html
The tutorial on this web site explains significant figures. It also shows how you should decide on the number of significant figures to include in the answer you get at the end of a calculation.
This should be helpful when writing up the results of investigations.
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updated: 08 April 2005
