Mathematics, 20.04.2021 16:30 carvarceuanmoss

Eric starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 1 ¿ each week for a number of weeks, w. He writes the expression
10)" to find the amount of radioactive substance remaining after w weeks.
Andrea starts with 1 milligram of a radioactive substance. The amount of the
substance decreases by 20% each week for a number of weeks, w. She writes the
expression (1
0.2)" to find the amount of radioactive substance remaining after W
weeks.
Use the drop-down menus to explain what each part of Eric's and Andrea's
expressions mean.

Answers: 1

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Eric starts with 10 milligrams of a radioactive substance. The amount of the substance decreases b...