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1 55. Using the scenario below, model the situation using an exponential function and a base of Then, 2 solve for the half-li

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69 ( ² ) z tye AC+) = A. (+) AC+) = 569(2) tye half life A(17) = 142 gram A (17) 569 (2 (+) 569 (²) 17/+42 - 17/t12 142 = 17/

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