mcclarranlorett
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An element with mass 970 grams decays by 27.7% per minute. How much of the element is remaining after 13 minutes, to the nearest 10th of a gram?​

Sagot :

DWRead
1-27.7% = 1-0.277 = 0.723
970*0.723^13 = 14.3 grams
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