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Which is the more reasonable measurement of the diameter of a blood cell: 7.4 ⋅ 10−3 mm or 7.4 ⋅ 103 mm? Justify your answer.
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Which is the more reasonable measurement of the diameter of a blood cell: 7.4 ⋅ 10−3 mm or 7.4 ⋅ 103 mm? Justify your answer.

User Ganesh Krishna
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0.0074mm knowing that blood cell is very small to be seen normally without microscope. and 7400mm is a measure that is quite big for a blood cell. So it remains that 7.4*10^-3 is the right one.

Explanation:

User Weiming
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