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March 28, 2017

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measurements of carbon 14 taken from linen wrappings of the book of isaiah from the dead sea scrolls indicate that the scrolls contain 79.5% of the carbon 14 expected in living tissue. how old are these scrolls if the half life of carbon 14 is 5730 years? All radioactive decay is first order.

  • ChemB - ,

    k = 0.693/t1/2
    Then
    ln(No/N) = kt
    No = 100
    N = 79.5
    k from above
    solve for t in years.

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