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

Options

A. `9.376 m^(2)`
B. `9.378 m^(2)`
C. ` 9.379 m^(2)`
D. `9.388 m^(2)`

Answer

B

Explanation

Given length (I) = 3.124 m and breadth (b) = 3.002 m. Area of the sheet (4) =`l xx b= 3.124 xx 3.002 =9.378248 m^(2)`. Since both length and breadth have four significant figures, therefore area of the sheet after rounding off to four significant figures is `9.378 m^(2)`.