data management
posted by Lisa .
from the digits 0,1,2,3,4,5,6,7,8,9 find the number of
a) 4digit numbers with repetition of digits
b) 4digit numbers without repetition of digits
c) the number of odd 4digit numbers with no repetition of digits
d) the number of even 4digit numbers with no repetition of digits

data management 
drwls
We have done, or shown you how to do, several of these probability questions for you; yet you persist in not showing any work, and reposting old questions. If you are not willing to make an attempt at learning the subject, this is not a place for you to seek help.
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