CBSE Class 11-science Answered
how many significant figure are there in 20.400 ???
Asked by riya sinha | 12 May, 2013, 07:43: AM
Expert Answer
Significant figures means the figures that are important. The numbers that are not important are not significant figures. In the example you mentioned, 20.400 , this rule applies. All the zeroes occuring to the right of the decimal point are significant. So it means this number has 5 significant figures.
Answered by | 12 May, 2013, 04:11: PM
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