Multiple Choice Question: A radioactive substance is decaying (it is changing into another element) according to the formula y = Ae^(-0.2x)

A radioactive substance is decaying (it is changing into another element) according to the formula y = Ae^-0.2x where y is the amount of material remaining after x years. If the initial amount A = 80 grams, find the half life (time it takes for half of it to decompose) of this substance.

A. 3.465 yrs	C. 2.485 yrs
B. 4.025 yrs	D. 1.95 yrs

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Jhun Vert Fri, 06/07/2024 - 20:53

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