answersLogoWhite

0

10,000

* * * * *

WRONG! That is the number of permutations, NOT the number of combinations.

The number of combinations denoted by nCr = n!/[r!*(n-r)!]

= 10!/[4!*6!] = 10*9*8*7/(4*3*2*1) = 210

User Avatar

Wiki User

13y ago

Still curious? Ask our experts.

Chat with our AI personalities

RafaRafa
There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve
JudyJudy
Simplicity is my specialty.
Chat with Judy

Add your answer:

Earn +20 pts
Q: How many 4 number combinations are their using numbers 0 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp