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5 August, 17:22

The width of a human hair is about 1 * 10^-4 meter wide.

The width of mechanical pencil lead is about 7 * 10^-4

meter wide.

About how many pieces of hair would it take to match the width of a piece of

mechanical pencil lead?

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Answers (1)
  1. 5 August, 17:24
    0
    Answer: The answer is 7.

    Step-by-step explanation:

    1*10^-4 equals 0.001 and 7*10^-4 equals 0.007 so 0.007 divided by 0.001 is 7. I hope this makes sense!
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