A fellow chemistry student in another class is wondering

Last updated: 7/31/2022

A fellow chemistry student in another class is wondering what half-life is and some of the math behind it. Explain in one paragraph of less the concept of half-life. Include information such as the appearance of a half-life graph, as well as ways to calculate and use half-life. If half-lives and nuclear decay have a real-life application, include that in your answer as well.