Mathematics, 14.12.2020 20:50 manarsadi6

Astatine is a radioactive chemical element that was first produced at the University of California, Berkeley in 1940. The half-life of astatine is 8 hours. Write an exponential function that models the mass in grams y remaining from a 560-gram sample after t hours.

When will approximately 198 grams remain in the sample?

How many grams will remain after 3 days? Express your answer as a decimal rounded to the nearest hundredth.

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