A certain football coach allows his quarterback to call three plays in a row. If the quarterback can choose from 3 passing plays, 4 running plays, and 2 trick plays, how many different arrangements Q of plays can be run, if the same play can’t be run more than once?
Pick one
A) 24
B) 125
C) 243
D) 504
E) 729
Number of Q ways to choose the first play: 9   Second play: 8   Third:7   9*8*7= 504.504
<result>D</result>
A certain football coach allows his quarterback to call three plays in a row. If the quarterback can choose from 3 passing plays, 4 running plays, and 2 trick plays, how many different arrangements Q of plays can be run, if the same play can’t be run more than once?