Answer to Question #179906 in Algebra for Jheni

Question #179906

An element with an initial mass of 618 grams decays by 2.1% per minute. How much of the element, to the nearest gram, will remain after 4 hours?

Expert's answer

Element remaining ="{mass \\times(1-r\/100)^t}"

4hrs= 240mins

"={618\\times(1-2.1\/100)^{240}}"

"=3.8g"

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