Question

Five words: oh my baby yeah yo.
suppose we want the phrase "oh baby" to appear in a 6-word chorus. how many possibilities?

Answer 1

i tried like counting the possibilities when 'oh baby' once, twice, or 3 times~ but it is getting messy...

Answer 2

5 * 5^4

Answer 3

first, the two words "oh baby" can go in 5 places :

1,2
2,3
3,4
4,5
5,6

Answer 4

for each of these, other 4 can be filled with any of the 5 words in 5*5*5*5 ways

Answer 5

so total permutations with "oh baby" phrase are : 5 *5^4

Answer 6

oh gosh, that looks easy !!! i was just making it more difficult.. thx

Answer 7

np :P