Illustration: The mass of a box is 2.3 kg. Two marbles of masses 2.15 g and 12.39 g are added to it. Find the total mass of the box to the correct number of significant figures.
Answers
In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.
In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.Mass of box = 2.3 kg
In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.Mass of box = 2.3 kgMass of first marble =0.00215 kg
In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.Mass of box = 2.3 kgMass of first marble =0.00215 kgMass of second marble =0.01248 kg
In addition or subtraction, the final result should retain as many decimal places as are there in the number with the least decimal places.Mass of box = 2.3 kgMass of first marble =0.00215 kgMass of second marble =0.01248 kgThe final weight thus must have only one decimal place with the weight being 2.3 kg
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