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ELEN [110]
3 years ago
6

The half-life of a radioactive kind of lanthanum is 93 minutes. How much will be left after 279 minutes, if you start with 2,064

grams of it?
Mathematics
2 answers:
tia_tia [17]3 years ago
8 0
2,064- 279 that's  what i thing the answer is sorry for answering so late .
arlik [135]3 years ago
7 0
Easy just subtract 2,064by 279
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