Question

Element X decays radioactively with a half life of 15 minutes. If there are 600 grams
of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 280 grams?

y = a(.5)^t/h

Answer 1

Answer: t = 16.49304 ≈ 16.5 minutes

Step-by-step explanation: I pressed see solution