Question

Element X decays radioactively with a half life of 9 minutes. If there are 530 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 5 grams?

Answer 1

576 minutes

Explanation:

530-265-132.5-66.25-33.125-16.5625-8.28125-4.140625