3. For each expression, describe a set of objects or a set of scenarios that it could count. For Example: 7*5*3 could be the number of ways of choosing an outfit given that you have 7 shirts, 5 pants and 3 shoes For example: (3)23 could be the number of ways that 3 out of 8 children get to choose a toy or a candy. 10 (b) 54 c) 6! *36 9! 6! 13 10 3 2 13 10