Biology, 13.11.2020 01:00 tylalowther1114

A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientist has after t years is represented by the expression 400(0.5)t. Which kind of expression is 400(0.5)t?

linear
quadratic
exponential growth
exponential decay

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A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientist has after t years is represented by the expression 400(0.5)t. Which kind of expression is 400(0.5)t? linear quadratic exponential growth exponential decay

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A scientist has 400 grams of a radioactive substance with a half-life of one year. The amount of the substance that the scientist has after t years is represented by the expression 400(0.5)t. Which kind of expression is 400(0.5)t?

linear
quadratic
exponential growth
exponential decay