-0.045+ modies The function AC+)=72e The decay of a sample of radio active material as a...

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-0.045+ modies The function AC+)=72e The decay of a sample of radio active material as a function of time. In years In this modle A IS the amount of radio active material remaining in grams. at time t a. How much radio active material Is preasent after 8 years? round to necirest tenth The b. Algebraically determine half life Of this material show steps. round to nearest tenth. -0.045+ modies The function AC+)=72e The decay of a sample of radio active material as a function of time. In years In this modle A IS the amount of radio active material remaining in grams. at time t a. How much radio active material Is preasent after 8 years? round to necirest tenth The b. Algebraically determine half life Of this material show steps. round to nearest tenth.