Question

Pleaseeeee help There was a sample of 200 mg of radioactive substance to start a study. Since then, the sample has decayed by 4.4% each year. Let T be the number of years since the start of the study. Let Y be the mass of the sample in mg's. Write and exponential function showing the relationship between Y and T

Answer 1

Y=200 (1-0.044)^t
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