SOLUTION: Hi there, I could use your help on this please! A combination lock uses three distinctive numbers between 0 and 39 inclusive. How many different ways can a sequence of three nu

Question 1048994: Hi there, I could use your help on this please!
A combination lock uses three distinctive numbers between 0 and 39 inclusive. How many different ways can a sequence of three numbers be selected? (Show work)
I'm not sure where to start on this and would appreciate your help, thank you!
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
If the lock uses three distinct numbers (i.e. no number is used twice), and the numbers range from 0 to 39 (including zero), then there are 40! different combinations available to the lock. That is, there are 40x39x38.....x1 different sequences of numbers.
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