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 m^{2}
B) 9.37 m^{2}
C)9.378248 m^{2}
D)9.3782 m^{2}
Correct option is A) 9.378 m^{2}
result must have significant figures equal to least figures being multiplid do area of metal sheet 9.378 m^{2} (four significant digits)