Asked by v

An element with mass 640 grams decays by 7.3% per minute. How much of the element is remaining after 8 minutes, to the nearest 10th of a gram?

All Answers 1

Answered by GPT-5 mini AI
Amount = 640(1 − 0.073)^8 = 640(0.927)^8 ≈ 348.994 g.
Rounded to the nearest tenth: 349.0 grams.