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Homework Help: Radio carbon dating question

  1. Nov 9, 2005 #1
    the question

    a mummy contain 9.2 g of carbon and it has an activity of 1.6 Bq. how old is the specimen in years?

    i worked out the question and got an answer of 2300 yrs, the closest answer in the book is 2200yrs. is my answer of 2300 yrs correct?
  2. jcsd
  3. Nov 9, 2005 #2


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    Homework Helper

    This stuff is new to me but I looked around and the formula seems to be 8033 * ln(A_0/A). Taking A_0 as 0.226 Bq/g * 9.2 g I get 2100 years. Take from this what you will.
  4. Nov 9, 2005 #3


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    Staff Emeritus
    Science Advisor

    The answer will depend on what fraction of the carbon is C-14 one uses.
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