Physics, 06.07.2019 06:30 eylinglez3ovm16v

Francium-223 has a half-life of 22 minutes. a geiger counter gives a reading of 58 counts per minute (cpm) from a sample of francium-223. what will the reading be 22 minutes later? you can ignore background radiation.

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Francium-223 has a half-life of 22 minutes. a geiger counter gives a reading of 58 counts per minute...