Math Question: Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining Bismuth-210 transforms into another atom (polonium-210 in this case) each day. If you begin with 231 mg of Bismuth-210, how much remains after 7 days?

Asked By Brianna On 02/19/2020 00:20