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faust18 [17]
3 years ago
10

How do I answer question 4

Chemistry
1 answer:
lidiya [134]3 years ago
3 0

One box is 120g.

mass of 126 boxes = 126*120 = 15120 g

(note: used an additional significant figure when first digit is a 1, so four significant figures)

Using the conversion 1 lb. = 453.6 g/lb

15120g = 15120 g / (453.6 g/lb) = 15120 g * (1/453.6) lb/g = 33.3 lbs. (3 significant figures)

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