how many possible 5 digit zip codes are there if numbers can't be repeated?
how many ways can 7 different items be arranged in a single line? (is that 7 factorial?)
how many ways can i select 5 different objects out of 12 objects total?
how many possible 5 digit zip codes are there if numbers can't be repeated?
how many ways can 7 different items be arranged in a single line? (is that 7 factorial?)
how many ways can i select 5 different objects out of 12 objects total?
yeah zip codes are example of permutations...wikipedia solved that one for me. about third one...
bad wording,
how about:
if you have 12 flowers, how many different ways can you select 5 of them for display
Read section 2: Permutation - Wikipedia, the free encyclopedia
I had thought the notation would be familiar ....