flandinatmmc

2023-02-04

How many 3-digit numbers can be formed by using the digits 1 to 9, if no digit is repeated?

Cooper Barker

Beginner2023-02-05Added 6 answers

We have 3 digit numbers that can be formed using the digits from 1 to 9.

Required number of 3-digit numbers= arranging 3 digits with the total number of 9 digits.

= 9P3=(9×8×7)=504.

Therefore, the necessary amount of numbers =504.

Required number of 3-digit numbers= arranging 3 digits with the total number of 9 digits.

= 9P3=(9×8×7)=504.

Therefore, the necessary amount of numbers =504.

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