Mathematics, 01.02.2021 20:20, gibbss80stu

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. Which statement about this expression is true?

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Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases...