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laura is donating 2 boxes of books to the library. one box has a mass of 9 kilograms. the other box has a mass of 7 kilograms. what is the total mass of the 2 boxes in grams?

Guest May 1, 2017
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mass of first box + mass of second box = total mass of the two boxes

9 kilograms + 7 kilograms = 16 kilograms

 

 

16 kilograms = 16 × 1000 grams = 16 000 grams

hectictar  May 1, 2017

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