Carbon-14 dating of prehistorical painting- the answer is 17.2 k years, how???

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Jul 24th, 2015

Thank you for the opportunity to help you with your question!

ln (Nt/No) = -kt

Nt/No is the ratio of the activity at time t to the original activity.

We also know that t1/2 = 0.693 / k. k = 0.693 / t1/2 = 0.693 / 5730 y = 0.000121 y^-1

So ln (0.80 / 6.4) = -(0.000121) t -2.08 = -0.000121 t t = 17,200 years


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Jul 24th, 2015

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