archerhegarty archerhegarty

09-05-2022
Mathematics

contestada

How many permutations of a 7-digit phone number exist if any number 0-9 may be used but repetition is not allowed?

70
10!
10!/3!
107

Respuesta :

yesyeskenken yesyeskenken

23-05-2022

Answer:

10!/3!

Step-by-step explanation:

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