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CHONE HApplication Directions: For each of the questions in this section, write your answers in the spaces provided. Show all the steps. 17. (4
CHONE HApplication Directions: For each of the questions in this section, write your answers in the spaces provided. Show all the steps. 17. (4 points) Household smoke detectors contain 200 g of a radioactive element that has a half-life of 432 years. To the nearest g, how much of this element will remain after 20 years? Model: Substitution: Solve:
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