Question

a basketball tournament starts with 64 teams. after one loss the team is out. how many games does the team that wins the tournament have to play?
64/2=32
32/2=16
16/2=8
8/2=4
4/2=2
2/2=1
The answer is 6 games.

How would I write the number sentence?

Answer 1

since half the teams are out after n rounds, you want

64 * 2^-n = 1