Curium-240 has a half-life of 27 days. The original sample

Last updated: 7/31/2022

Curium-240 has a half-life of 27 days. The original sample of curium-240 has a mass of 0.874 mg. Approximately what mass of Cm-240 will remain after 5 half-lives? 0.175 mg 0.0625 mg 0.135 mg 0.0273 mg 0.361 mg None of the answers are correct.