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A human hair is about 50 um thick. A pet flea is about 1 mm in size. How many times smaller is the thickness of a human hair than a flea?
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4 votes
A human hair is about 50 um thick. A pet flea is about 1 mm in size. How

many times smaller is the thickness of a human hair than a flea?

User Pkout
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1 Answer

5 votes
Convert 50 um into mm

50um * .001 mm= .05 mm

.05/1= .05 times smaller
User Furious Duck
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