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The half-life of lodine-131 is about 8 days. After how many days would only 0.78g remain from an original 200g sample?
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7 votes
The half-life of lodine-131 is about 8 days. After

how many days would only 0.78g remain from
an original 200g sample?

User SohamC
by
5.4k points

1 Answer

8 votes
I believe the answer is 8
200/2/2/2/2/2/2/2/2=.78
User Rocky Hu
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