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mojhsa [17]
3 years ago
9

The half-life of a radioactive kind of thallium is 3 minutes. If you start with 80 grams of it,

Mathematics
1 answer:
padilas [110]3 years ago
4 0
- After 3 minutes you have half. 40grams
- After 3 more minutes you have half of that. 20 grams
- After the last 3 minutes you have half of that. 10 grams
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