How many 4 digit numbers greater than or equal to 3000 and less then 8000 can be formed with no repition in there digits??

Answer 1

the first digit has to be either a 4,5,6, or 7

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

Answer 2

I have a multiple choice answer of 5000, 5040, 120 or 2520??

Answer 3

According to your wording, a digit cannot be used more than once.
I stand by my answer .

Answer 4

reiny,the first digit can also be 3..read the question again