Question 968963: A garage door has 5 digits. If no digit is repeated twice, how many codes are possible
Answer by amarjeeth123(569)   (Show Source):
You can put this solution on YOUR website! There are 10 numbers for the first digit, 9 numbers for the second digit, 8 numbers for the third digit, 7 numbers for
the fourth digit and 6 numbers for the fifth digit.
So, the number of possible outcomes is:
10∙9∙8∙7∙6 = 30,240
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