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Iron-59 has a half-life of 44.5 days. How much of a 3.00 mg sample will be left after 222.5 days?

A about 6.00 milligrams
B about 0.90 milligrams
C about 0.03 milligrams
D about 0.09 milligrams

User Bette
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1 Answer

11 votes

Answer: D. About 0.09 milligrams

Explanation:

I took the quiz and got it right!

User Bhoj
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