mathmaster7 mathmaster7

18-06-2021
Mathematics

contestada

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?

Respuesta :

ninarAraz ninarAraz

18-06-2021

Answer:

120

Step-by-step explanation:

we solve this question by using permutation because the order matters

nPr

5P4 = 120

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