Question 1133851


There are {{{5}}} ways to pick the first digit [{{{1}}}-{{{5}}}]

Next, there are {{{5}}} ways to pick the second digit [{{{0}}} plus the remaining {{{4}}} from the first digit]

The 3rd digit is chosen from the remaining {{{4}}} numbers.

The 4th digit is chosen from the remaining {{{3}}} numbers.

The 5th digit is chosen from the remaining {{{2}}} numbers.


So, in summary, there are {{{5*5*4*3*2=600}}} ways.