Mathematics, 01.07.2019 06:00 mona92
How many 6 digit different locker combinations are possible if no repeat numbers are allowed?
Answers: 1
is the total number of elements in the set
is the number of those elements you are desiring
in this scenario. Since we are choosing 6 digits of the 10 for our sequence, 
in this scenario. Thus, we are trying to find 
. This can be found as shown:
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