Nuclear Half-Life Calcs VQ

Use the video below to take this open note video quiz.  The quiz questions go perfectly in order with the video.  You can watch the video and take the quiz at the same time, or you can watch the video and then take the quiz.  As long as you make an honest attempt the first time, you may write down your answers so you can get a 100 the second time.  Although the questions will remain in the same order, the answer choices will be scrambled, so you may wish to write down a few key words from each correct answer.  You may take this quiz as many times as you wish, and you will receive the highest grade.  

Nuclear Half Life: Calculations