Ask a New Question

Asked by amal

find the number of permutations of 5 out of 9. then find 6 out of 6
16 years ago

Answers

Answered by Damon
n!/(n-r)! = 9!/4! = 9*8*7*6*5 = 15120

6!/0! = 6*5*4*3*2 = 720
because 0! is defined as 1
16 years ago

Related Questions

how many permutations are there for 4 numbers (0,2,3 and 5) adding up to 25 in 8 turns? how many permutations are there of the following word. mathematics find the permutations one person select 4 books, 2 cds, 1 dvd from 10 books, 20 cds, and 5 dvd How many permutations σ of the set {1,2,…,15} are there such that σ(1)=1,∣σ(n)−σ(n−1)∣≤2 for 2≤n≤15?... How many different permutations can be created when anne, Becky,Carlo, dan and Esi line up to buy mo... 26. The law of permutations, combinations, and filling slots are the counting rules used to (a) det... Find the number of permutations of 5 CDs if you have a total of 23 CDs Find the number of permutations of letter of the word KAPIL (i) When P is always in the middle.... How many permutations of the letters in the name BARBARA are there? Find the number of permutations that can be had form the letters of the word ‘OMEGA’ (i) O and A oc...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use