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Consider a pure sample of a radioactive isotope with a mass number of (52). If the...

Consider a pure sample of a radioactive isotope with a mass number of (52). If the sample has mass of (25.0) micrograms and the isotope has a half-life of (12.5)x10^6 years, determine the decay rate for the sample. Give your answer in decays/second and with 3 significant figures.

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