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The mass of a box measured by a grocer’s balance is 2.300 kg. Two gold pieces of masses 20.15 g and 20.17 g are added to the box. What is the difference in the masses of the pieces to correct significant figures?

1 Answer

0.02 g
Hence (A) is the correct answer.
answered Jun 1, 2014 by thanvigandhi_1

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