![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://i.redd.it/et3kf2kerb981.png)
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
![Do we actually need to know this radioactive decay equation? If so, what do each of the variables stand for? : r/Mcat Do we actually need to know this radioactive decay equation? If so, what do each of the variables stand for? : r/Mcat](https://preview.redd.it/do-we-actually-need-to-know-this-radioactive-decay-equation-v0-5sct333fosd91.png?width=640&crop=smart&auto=webp&s=0268fa1bca16e95f5efeac5fffe836bda52b57d1)
Do we actually need to know this radioactive decay equation? If so, what do each of the variables stand for? : r/Mcat
![Radioactive Decay Formula, Types & Examples | What is Radioactive Decay? - Video & Lesson Transcript | Study.com Radioactive Decay Formula, Types & Examples | What is Radioactive Decay? - Video & Lesson Transcript | Study.com](https://study.com/cimages/multimages/16/halflifesolution.png)
Radioactive Decay Formula, Types & Examples | What is Radioactive Decay? - Video & Lesson Transcript | Study.com
![Radioactive Decay Formula, Types & Examples | What is Radioactive Decay? - Video & Lesson Transcript | Study.com Radioactive Decay Formula, Types & Examples | What is Radioactive Decay? - Video & Lesson Transcript | Study.com](https://study.com/cimages/multimages/16/betaminusdecay1.png)