## Mackenzie2013 one year ago Eight two-person teams are participating in a three-legged race. Find the number of orders in which all 8 teams can finish the race.

1. anonymous

$8!$

2. anonymous

8 choices to come in first 7 for secone 6 for third 5 for fourth 4 for fifth 3 for sixth 2 for seventh then 1 for eighth by the counting principle, multiply the choices together, get $8!=8\times 7\times 6\times 5\times 4\times 3\times 2\times 1$

3. Mackenzie2013

Thank you!