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The mass of a box measured by a grocer's...

The mass of a box measured by a grocer's balance is 2.3 kg. two gold pieces of masses 20.15 g and 20.17 g are added to the box. The total mass of the box is

Text Solution

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The correct Answer is:
(a) Total mass = 2.3 kg
(b) Difference in masses = 0.02 kg
(a) Total mass of the box
`= 2.3 kg + 20. 15 g + 20 . 17 g = 2. 34017 kg `
`=2.3 kg `
(b) Difference in masses of gold pieces
`= 20.17 g - 20.15 g = 0.02 g`
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