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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Units and Measurement
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Find the total mass up to the appropriate significant figures of four objects that have the following masses: 1.54 Kg, 3.668 Kg, 5.1278 Kg and 2.5 Kg

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Mass = 2.5 + 1.54 + 3.668 + 51.278 = 12.8358 Kg.
In this case the least accurate quantity is 2.5 Kg which is up to one significant digit; hence the answer rounded off to the right significant figure is 12.8 Kg.
answered Jul 12, 2014 by balaji.thirumalai

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