Answer:

Step-by-step explanation:

Hope this will help you :))
For the first digit there are 7 choices. For the second digit there are 6 choices (because we can't use the same one again). And so on, until there is only one choice for the last digit.
The number of possible codes is this:
7*6*5*4*3*2*1 = 7! = 5040
Answer:
hi looks good
Step-by-step explanation:
jjhjvjedkfac
Answer:
75%
Step-by-step explanation:
15+15+25+5=60
15/60=25%
100%-25% = 75%