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Vedmedyk [2.9K]
3 years ago
14

Iodine-125 has a half-life of about 60 days.

Mathematics
2 answers:
photoshop1234 [79]3 years ago
6 0

the answer is 15.625mg

andreyandreev [35.5K]3 years ago
4 0
Since it has a half life of 60 days, this means that every 60 days it multiplies by 0.5. Since it asks for 300 days, your equation is 500*(0.5)^5, which is 15.625 mg left after 300 days.
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