Answer :
This is a typical case of permutation of elements
Formula is:
[tex]\boxed{P_n=n!}[/tex]
Permutation of n elements is equal to n!
So:
[tex]P_9=9!=362,880 \ ways[/tex]
Formula is:
[tex]\boxed{P_n=n!}[/tex]
Permutation of n elements is equal to n!
So:
[tex]P_9=9!=362,880 \ ways[/tex]