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The length and breadth of a metal sheet are 3.124m and 3.002 m respectively. the area of this sheet up to the correct number of significant figure  is

A) 9.378 m2

B) 9.37 m2 

C)9.378248 m2

D)9.3782 m2

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Correct option is A) 9.378 m2

result must have significant figures equal to least figures being multiplid do area of metal sheet 9.378 m2  (four significant digits)

 

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