Mathematics, 17.09.2019 06:30 guitarislife97p73kzu

Eric starts with 10 milligrams of a radioactive substance. the amount of the substance
decreases by each week for a number of weeks, w. he writes the expression
" 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.

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Eric starts with 10 milligrams of a radioactive substance. the amount of the substance
decreas...