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You just tested a rock sample and found there to be 250 radioactive isotopes. If the rock sample originally contained 1,000 radioactive isotopes, how many half-lives have elapse…

You just tested a rock sample and found there to be 250 radioactive isotopes. If the rock sample originally contained 1,000 radioactive isotopes, how many half-lives have elapse…
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1 vote
You just tested a rock sample and found there to be 250 radioactive isotopes. If the rock sample originally contained 1,000 radioactive isotopes, how many half-lives have elapsed?

asked
User Sean Van Gorder
by
7.3k points

1 Answer

4 votes
Bro the answer is 500
answered
User Jungmin
by
8.6k points
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