The length and breadth of a rectangle are 4.5 mm and 5.9 mm. Keeping the number of significant figures in mind, its area in mm2 is ____

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MCQs on units international system, length, mass and time measurements, instruments accuracy and precision, significant figures, dimensional formulae and equations, physical quantities dimensions, dimensional analysis and applications.


The length and breadth of a rectangle are 4.5 mm and 5.9 mm. Keeping the number of significant figures in mind, its area in mm<sup>2</sup> is ____