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NICOLGREGASIN
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Suppose you secure bike using a combination lock.Later,your realized that you forgot the 4 digit code.You only remembered that the code contain 2,3,4,7.How many possible combination locks?​

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JOVELYNSHOPEEIN

Answer:

24 possible combination locks

Step-by-step explanation:

Permutation problem

Formula-P(n,r)=n!/(n-r)!

=4!/(4-4)!

=4!/0!

=4*3*2*1

=24

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