Answer to Question #328934 in Algebra for Kamala

Question #328934

An element with mass 630 grams decays by

18.8% per minute. How much of the element

is remaining after 7 minutes, to the nearest

10th of a gram?

Expert's answer

$m=m_0(1-0.188)^7=630\cdot (1-0.188)^7=241.5\space g.$

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