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{{ printedBook.courseTrack.name }} {{ printedBook.name }} We know the initial number of players and the numbers of players left after the first and second rounds. We will make a table and check if there is a common ratio. Let $x$ and $y$ represent the number of rounds and the number of players left, respectively.

We see that there is a common ratio of $21 $ between the players. We can find the next three terms by multiplying the number of players left after the second round by $21 $ for each round. Let's do it!

The next three terms are $16,$ $8,$ and $4,$ which are the numbers of players remain after the third, fourth and fifth rounds, respectively.