­čĄô Based on our data, we think this question is relevant for Professor Efthimiou's class at UCF.

Solution: A sample of radioactive nuclei has a decay constant of 0.15 1/days. How long will it take mass of this sample to drop by 50%?

Problem

A sample of radioactive nuclei has a decay constant of 0.15 1/days. How long will it take mass of this sample to drop by 50%?