3 years ago

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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