SOLUTION: how many 4 digit numbers can be made using the digits 1,3,5,7,9
Algebra
->
Permutations
-> SOLUTION: how many 4 digit numbers can be made using the digits 1,3,5,7,9
Log On
Algebra: Combinatorics and Permutations
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Permutations
Question 617622
:
how many 4 digit numbers can be made using the digits 1,3,5,7,9
Answer by
stanbon(75887)
(
Show Source
):
You can
put this solution on YOUR website!
how many 4 digit numbers can be made using the digits 1,3,5,7,9
----
With repetition: 5^4 = 625 numbers
---
Without repetition: 5! = 120 numbers
=====================
cheers,
Stan H.
=====================