Timer Notes Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it take for 4.4% of this nuclide to decay? (Express your answer in seconds. Submit Answer Tries 0/99 How long will it take for 99.4% of this nuclide to decay? (Express your answer in seconds.) Submit Answer Tries 0/99 This discussion is closed.

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