Find the value of x
! Will give brainliest !
Questions in photo ^^
This is due very soon all the help appreciated so much <3
( pls if you answer leave the equation too of how you got x)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible