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Precalculas mat-129 1. At the beginning of an experiment, a scientist has 400 grams of radioactive Reynoldium (Rm). After 100 minutes, the sample has decayed

Precalculas mat-129

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1. At the beginning of an experiment, a scientist has 400 grams of radioactive Reynoldium (Rm). After 100 minutes, the sample has decayed to 220 grams. a. (5 pts) Assuming exponential decay, find a formula for R(t), the amount of Reynoldium remaining at time t. b. (5 pts) How many grams of Reynoldium will remain after 130 minutes? Don't forget to show your work. Round your answers to four decimal places

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