A wooden artifact from an ancient tomb contains 60% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your decay rate, r, to 6 decimal places. Then round your answer to the nearest whole number.)
Answers: 1
![[A_o]](/tpl/images/0544/3225/dc622.png)
![[A]=0.06[A_o]](/tpl/images/0544/3225/c6bca.png)
![[A]=[A_o]\times e^{-kt}](/tpl/images/0544/3225/abdec.png)
![[A]=[A_o]\times e^{-\frac{0.693}{t_{1/2}}\times t}](/tpl/images/0544/3225/28873.png)
![0.60[A_o]=[A_o]\times e^{-\frac{0.693}{5730 year}\times t}](/tpl/images/0544/3225/d6fba.png)
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A wooden artifact from an ancient tomb contains 60% of the carbon-14 that is present in living trees...
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