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11 July, 17:16

An archaeologist exploring pyramids of Africa discovers a mummy. He finds that it contains 53% of original amount of c14. Find age of mummy

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  1. 11 July, 18:06
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    M₀ (¹⁴C)

    m₁ (¹⁴C) = 0.53m₀

    T≈5730 years = 5730·365·24·60·60 = 180,701,280,000 sec

    m₁/m₀=2^ (-t/T)

    0.53m₀/m₀ = 2^ (-t/180,701,280,000)

    0.53 = 2^ (-t/180,701,280,000)

    t=165510759750 sec ≈ 5248 years
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