How many four-digit integers contain only the digits 1, 2, 3, 4, and 5, with the property that no two consecutive digits are the same?

asked Nov 22, 2022 100k views

2 votes

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4 votes

Answer:

120

Explanation:

we solve this question by using permutation because the order matters

nPr

5P4 = 120

Irlanda answered Nov 27, 2022

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