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AlladinOne
[14]
3 years ago
13
A Radioactive material has a half-life of 18.4 days. After 55.2 days, there were 177 mg of the material. What mass of the materi
al was originally present?
Mathematics
Answer
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1
answer:
saveliy_v
[14]
3 years ago
8
0
1416 mg or 1.416 g ...................
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