This exercise uses the radioactive decay model.

Algebra
Tutor: None Selected Time limit: 1 Day

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 answer to the nearest whole number.)

 yr
Apr 15th, 2015

6876 years since a half life (50%) is 5,730 years, multiply by 2 then by .60 to 6,876

hope I helped :)

Apr 15th, 2015

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Apr 15th, 2015
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