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Mathematics, 18.10.2019 04:50, eeeeee9848
Aresearcher measures 200 counts per minute coming from a radioactive source at noon. at 3: 00pm, she finds that this has dropped to 25 counts per minute. what percentage of the original source will remain at 6: 00pm?
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Aresearcher measures 200 counts per minute coming from a radioactive source at noon. at 3: 00pm, she...
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