Mathematics, 24.10.2019 20:43 ecenteno2004

Suppose an unknown radioactive substance produces 12800 counts per minute on a geiger counter at a certain time, and only 800 counts per minute 10 days later. assuming that the amount of radioactive substance is proportional to the number of counts per minute, determine the half-life of the radioactive substance.

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Suppose an unknown radioactive substance produces 12800 counts per minute on a geiger counter at a c...