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The area of a rectangular field (in m²) of length 55.3 m and breadth 25 m after rounding off the value for correct significant digits is :

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1382

$14 \times 10^{2}$

$138 \times 10^{1}$

1382.5

answer is C.

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Detailed Solution

$Area = 55 .3 \times 25 = 1382 = 14 \times 10^{2} m^{2}$

as minimum significant figure is 2 it is rounded off two significant figure

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