Question 1183394
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An artifact was discovered by an archeologist, who initially estimated it to be about 2500 years old. 
Then, after carbon-14 analysis was completed, it was determined that the carbon-14 contained in the artifact 
decreased from 20 grams originally to 12 grams now, so that 60% of its original amount of carbon-14 remains. 
After the mathematical investigation was completed, this model was created: P(t) = 20e-0.00012t, 
where P(t) is the amount of carbon-14 remaining after 't' years. 
What conclusion should be made about the age of the artifact?
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Actually, &nbsp;<U>NOTHING &nbsp;IS &nbsp;farther from the truth than what is written in this post</U>, &nbsp;


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and I will explain you &nbsp;WHY - - - right now.



The content of Carbon-14, C14, in the atmosphere is about of 1 - 1.5 atoms per &nbsp;&nbsp;{{{10^12}}} &nbsp;&nbsp;atoms of 
stable &nbsp;Carbon C-12.  &nbsp;See this &nbsp;Wikipedia article


    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;https://en.wikipedia.org/wiki/Carbon-14



So, &nbsp;actually, &nbsp;the content of &nbsp;Carbon-14 &nbsp;is tiny percent of &nbsp;Carbon-12, &nbsp;and the content 
of these components in any organic on the &nbsp;Earth is in the same proportion.



Therefore, &nbsp;in order for an artifact would contain &nbsp;20 &nbsp;grams of &nbsp;Carbon-14, &nbsp;its mass 
should be many megatons



    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{{{20*10^12}}} grams = {{{20*10^9}}} kilograms = {{{20*10^6}}} metric tons = 20 megatons.



These numbers shows that the person who created this &nbsp;"problem", &nbsp;is absolutely unfamiliar with the subject.



Yes, &nbsp;the content of &nbsp;Carbon-14 &nbsp;in any artifact is a tiny mass, &nbsp;but it is just &nbsp;ENOUGH &nbsp;for researchers, 

armed with relevant modern measurement tools and knowledge to detect it and to make an appropriate analysis.



In our days, &nbsp;hundreds people, &nbsp;hardly familiar with different subjects, position themselves in the Internet

as the &nbsp;"professors", &nbsp;"teachers" &nbsp;or  &nbsp;"tutors" &nbsp;without having adequate knowledge.



Learn the subject from good sources, &nbsp;ONLY &nbsp;(&nbsp;!&nbsp;)