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Mathematics, 25.04.2020 03:27 jennemylesp19oy5

The model for radioactive decay is y=y0e−kt. A radioactive substance has a half-life of 200 years. If 45 grams are present today, in how many years will 25 grams be present? While solving this problem, round the value of k to seven decimal places. Round your answer to two decimal places.

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