There are 12! ways to line 12 people up. That is 12 factorial (the name for the exclamation point 12! means 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
Using a scientific calculator to compute 12!, we get 479,001,600 ways to line up 12 people. I know it sounds amazing but here is a chart.
People Ways
3 6 4 24 (Notice that if you multiply 6 x 4 you get 24) 5 120 (Notice that if you muliply 24 x 5 you get 120 etc.) 6 720 7 5040 8 40,320 9 362,880 10 3,628,880 11 39,916,800 12 479,001,600
