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This section contains 5 questions. The answer to each of the questions is a single digit integer ranging from 0 to 9. 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. The difference in the masses (in g) of the pieces to correct significant figures is y × 10 –2 g. Find y.



This section contains 5 questions. The answer to each of the questions is a single digit integer ranging from 0 to 9.


 






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. The difference in the masses (in g) of the pieces to correct significant figures is y × 10–2 g. Find y.


 



 

Grade:upto college level

1 Answers

Radhika Batra
247 Points
9 years ago

2

 

        Difference = 20.17 g – 20.15 g = 0.02 g = 2 × 10–2 g.

 

        \ x = 2

 

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