Posted by **Anonymous** on Thursday, June 14, 2012 at 12:33am.

How many 5 digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6 if repeition are not allowed.

do i use 7P5? since i am choosing 5 numbers from 7 and they can't be repeated?

- statistic & probability -
**drwls**, Thursday, June 14, 2012 at 3:47am
You have 6 choices for the first digit, which cannot be zero, six for the second digit (which can be zero), five for the third digit, then four and then 3.

That makes 6*6*5*4*3 = 2160 possibilities

## Answer This Question

## Related Questions

- algebra - Consider making a four-digit I.D. number using the digits 3,5,8, and ...
- math - How many 3-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6...
- math - How many 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6...
- holy heart - Using digits 2, 3, 5, 6, 7 and 9, how many 3-digit numbers can be ...
- Math - how many 3 digit numbers can be formed using the digits 0,1,2,3,4,5,6, if...
- Probability - How many different three-digit numbers can be formed using the ...
- Math - 3) Erik wants to form 4-digit integers using only the digits 1, 2, 3, and...
- Probability - How many different four-digit numbers can be formed using the ...
- Math - I need to show work for this but I don't know how. Erik wants to form 4-...
- Algebra 2 - Using the integers 2,3,4,5, How many 3-digit odd numbers less than ...

More Related Questions