Physics question 11 hw 12 (if you answer please include work!)

Physics
Tutor: None Selected Time limit: 1 Day

The ratio of the abundance of carbon-14 to carbon-12 in a sample of dead wood is one quarter the ratio for living wood. If the half-life of carbon-14 is 5730 years, which one of the following expressions determines how many years ago the wood died?
Question 11 options:
Jul 24th, 2015

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

N = N0 *(1/2)^t/tau,  the tree died 2* 5730 years ago 

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Jul 24th, 2015

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