Asked by Bub

How many 4 digit numbers greater than or equal to 3000 and less then 8000 can be formed with no repition in there digits??
Answered by Reiny
the first digit has to be either a 4,5,6, or 7

number of cases
= 4 x 9 x 8 x 7
= 2016

Answered by Bub
I have a multiple choice answer of 5000, 5040, 120 or 2520??
Answered by Reiny
According to your wording, a digit cannot be used more than once.
I stand by my answer .
Answered by gothic vampire
reiny,the first digit can also be 3..read the question again
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