5
There are 12 such numbers.
9,000
4! = 24 ■
3024
There are 7200 such numbers.
7000 - 999 ie 6001 four digit numbers
900 numbers
There are 12 such numbers.
9,000
4! = 24 ■
90
2240
There are 7200 such numbers.
3024
how make the answer im don/now
3*3*2*1 = 18 of them.
500 or so.