The length and breadth of a rectangular sheet are 
and 
, respectively. The area of the sheet in appropriate significant figures and error is
Text Solution
Verified by ExpertsA
Let length and breadth of a rectangular sheet are measured by using a metre scale as 
and 
respectively. Each measurement has three significant figures.
Length can be written as
Similarly, the breadth 
can be writen as
Area of the sheet,
Therefore, as per rule, are will have only three significant figures and error will have only one significant figure.
Rounding off, we get 
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