Significant Figures and Order of Magnitude

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Question 1 of 28

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:

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2.3 kg

2.34 kg

2.340 kg

2.3403 kg

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