One way to weigh a very light object is to weigh a large number of the items and then divide to find the weight of one item. Before dividing, the weight of the packaging must be subtracted to find the net weight. Complete the table below. 
?
A.
| Net weight: 540 g |
Weight of one item in milligrams: 4500 mg
B. Net weight: 540 g
Weight of one item in grams: 0.2 g
Weight of one item in milligrams: 222.22 mg
C. Net weight: 640 g
Weight of one item in grams: 5.3 g
Weight of one item in milligrams: 5300 mg
D. Net weight: 540 g
Weight of one item in grams: 4.9 g
Weight of one item in milligrams: 4900 mg
Answer: A
Mathematics
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Mathematics