Asked by Tamera
The half-life of I-131 is 8.00 days. If a medical treatment involves a dose of 400. mg of I-131, how much of the isotope remains after 48 days?
3.125 mg
6.25 mg
12.5 mg
25 mg
3.125 mg
6.25 mg
12.5 mg
25 mg
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