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? asked in Local BusinessesCanadaVancouver · 2 years ago

Chemistry question?

The average diameter of one strand of adult human hair is 80.0 microns. By contrast, babies tend to have much finer hair, with an average diameter of 50.0 microns. (A micron is a micrometer = μm)

What is the difference in area of of an adult strand vs. a baby strand in cm2. (Area of a circle = π r 2). 

8 Answers

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  • 3 months ago

    do u think im a chemist or something like that i tell u wat chemistry is a bunch of gobbygook

  • Anonymous
    4 months ago

    They are asking you to figure it out.  Not me.

  • 4 months ago

    trancend to dna and healing white blood cells

  • Gonzo
    Lv 5
    1 year ago

    I thought Canadians were smarter than Americans 

  • 2 years ago

    Supposing cross sectional area is meant:

    pi x ((80.0 μm/ 2)^2 - (50.0 μm/ 2)^2) = 3063 μm^2 = 3.06 × 10^-9 m^2 difference

    You might get more and better answers if you move this question out of Vancouver into

    All Categories > Education & Reference > Homework Help or

    All Categories > Science & Mathematics > Mathematics

  • Anonymous
    2 years ago

    Plug and chug, what's so hard about it?

  • 2 years ago

    Study.com has answers to your toughest chemistry homework questions with detailed step by step explanations. Can't locate your question In our library?

  • Anonymous
    2 years ago

    Good question!

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