How to find disintegration mass after 2 days if the half life period of radioactive substances is 4 days - Quora
![Princeton Review mentions both half-life equations in their G-Chem book. Do I need to know both for the MCAT or am I good to just memorize the bottom one? Because TPR says Princeton Review mentions both half-life equations in their G-Chem book. Do I need to know both for the MCAT or am I good to just memorize the bottom one? Because TPR says](https://preview.redd.it/et3kf2kerb981.png?auto=webp&s=827fe756ab8292a63e8461280bfab54217c74a6b)
Princeton Review mentions both half-life equations in their G-Chem book. Do I need to know both for the MCAT or am I good to just memorize the bottom one? Because TPR says
![Using the half-life formula for more complex problems | Science, Chemistry, Nuclear Chemistry | ShowMe Using the half-life formula for more complex problems | Science, Chemistry, Nuclear Chemistry | ShowMe](https://showme0-9071.kxcdn.com/files/457307/pictures/thumbs/950623/last_thumb1369182242.jpg)