0:00 Review of Random and Spontaneous
0:40 Law of Large Numbers
3:05 Definition of Half-Life
6:12 Half-Life Equation
6:57 Unit of Radioactivity (Bq)
7:21 Graphs & Half-Life
8:24 Word Problem 1
8:57 Word Problem 2
9:30 Word Problem 3
11:04 Graph Problem
