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The decay rate of a certain chemical is 9.5% per year. 1. What is its half-life? Use the exponential decay model P (t )=P 0

The decay rate of a certain chemical is 9.5% per year. 1. What is its half-life? Use the exponential decay model P (t )=P 0 where k is the decay rate, and P0 e is the original amount of chemical. The half-life of the chemical is (Round to the nearest integer) years. kt

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