maxdinneen maxdinneen

07-11-2020
Mathematics

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How many 4-digit numbers can you write if you can use only digits 1 and 2?

Respuesta :

dolfydcosta2007 dolfydcosta2007

07-11-2020

Answer:

Step-by-step explanation:

Thus if you are not allowed to repeat a digit the number of possible 4 digit numbers you can construct from 1,2,3,4 is 4 3 2 1 = 24.

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