Mathematics, 06.10.2019 14:00 Dreynolds1667
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?
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The half-life of a radioactive kind of lanthanum is 93 minutes. how much will be left after 279 minu...
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