So 2, or you could use 2 to the fifth power, and that is going to be equal to 32 equally likely possibilities. 32, 2 times 2 is 4, 4 times 2 is 8, 8 times 2 is 16, 16 times 2 is 32 possibilities. And to figure out this probability, we really just have to figure out how many of those possibilities involve getting three heads. We could write out all of the 32 possibilities and literally just count the heads, but let's just use that other technique that we just started to explore in that last video. We have five flips here. So let me draw the flips. 1, 2, 3, 4, 5.