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March 26, 2017

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Please respond I have this last question and then I can be done this course

Using absolute dating,a fossil is dated to be 3million years old and decomposed 1half-life. If it takes the same fossil 12million years to decompose to 4half-lives, how old will it be when it is measured to be at 3half-lives?

  • Science - ,

    each half life is one half decomposed.


    3 million years: one gone
    6 million years: two gone
    9 million years: three half lives past
    12 million years: 4 half lives past

    Your teacher is just too easy.

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