a certain radioactive isotope has leaked into a small stream. 400 days after the leak, 11% of the original amount of the substance remained…. | Cheap Nursing Papers

a certain radioactive isotope has leaked into a small stream. 400 days after the leak, 11% of the original amount of the substance remained….

a certain radioactive isotope has leaked into a small stream. 400 days after the leak, 11% of the original amount of the substance remained. Determine the half-life of this radioactive isotope. The half life is about how many days?

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