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Chemistry, 22.08.2019 16:30 kyle65

Aradioactive material has a count rate of 1600 counts per minute. it has a half life of 20 minutes. how long will it take to decay to a rate of 100 counts per minute?

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Aradioactive material has a count rate of 1600 counts per minute. it has a half life of 20 minutes....
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