Questions
The length and breadth of a metal sheet are 3.124 m and 3.002 m respectively, the area of this sheet up to four correct significant figure is
a
9.3782 m2
b
9.37 m2
c
9.378248 m2
d
9.378 m2
detailed solution
Correct option is D
According to rule of significant figures.Hence, breadth of metal b = 3.002 m has four significant figures.∴Length of metal = 3.124 m has four significant figures.Since length and breadth have four significant,ThereforeArea = length × breadth= 3.124 × 3.002 = 9.378248Will also have four significant figures.Hence, area = 9.378 m2Errors of measurement.Talk to our academic expert!
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