Mathematics, 09.02.2021 20:20 mihir50

The formula for the half-life of a radioactive isotope is shown below. If an isotope of radioactive polonium has a half-life of 138 days, how long does a sample take to decay from 20 g to 15 g?

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The formula for the half-life of a radioactive isotope is shown below. If an isotope of radioactive...