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:
4 inches per hour
Step-by-step explanation:
7 x 4 = 28
Answer:
This company used 2265 gallons of soap this year
Step-by-step explanation:
50% of 4530

Soap used this year = 4530 - 2265 = 2265
Answer:
Not 100 percent but im pretty sure it is 3(n+5)=-30 i found other sites saying its that its up to you if you wanna believe me
Step-by-step explanation: