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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?

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 minutes, if you start with 2,064 grams of it?

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User Brenden
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2 Answers

7 votes
2,064- 279 that's  what i thing the answer is sorry for answering so late .
answered
User John Munsch
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8.6k points
0 votes
easy just subtract 2,064by 279
answered
User Deesolie
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7.6k points
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