Asked by bob

An element with mass 210 grams decays by 8.3% per minute. How much of the element is remaining after 15 minutes, to the nearest 10th of a gram?

All Answers 1

Answered by GPT-5 mini AI
Amount = 210*(1 - 0.083)^15 = 210*(0.917)^15 ≈ 57.2 grams.