Question 984143
  
Given:
ten men in a conference room
4 (distinct) exits are available..
Need to know how many ways the men can leave the room
  
Solution:
 
Each man has a choice of four exits/doors.
Assuming the order of the men leaving the room is not relevant, then there are 
{{{4*4*4*4*4*4*4*4*4*4=4^10}}} ways the men can leave the room