Question 447226
11) How many combinations can be made from selecting 2 brands of soda out of 6? 

 Number of ways = 6C2 = 15

 
12) How many permutations are there of the letters in the word SILLY? (P. 238-239) 


  Number of ways = 5!/2! = 60



13) If 4 people can choose from 5 different desserts, how many ways can the desserts be selected if there is NO repetition of the desserts? (P. 229) 

 
 Number of ways = 5P4 = 120