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All possible 4 digit patterns with 2,4,5,6,7,8,9
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All possible 4 digit patterns with 2,4,5,6,7,8,9

User Sethcall
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1 Answer

8 votes

Answer:

7^4 = 2401

Explanation:

___, ___, ___, ___

all blank spaces can be filled with all 7 numbers each.. so 7*7*7*7 is total number of paterns you can get if repititions is allowed

User Lucas Fersa
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