An isotope of krypton has a half-life of 3 min a sample of
An isotope of krypton has a half-life of 3 min. A sample of this isotope produces 1000 counts per minute in a Geiger counter. Find the number of counts per minute produced after 15 minutes.
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an isotope of krypton has a half-life of 3 min a sample of this isotope produces 1000 counts per minute in a geiger
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