(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

In how many ways can this selection: {0,1,2,3,4,5} be written in a 3 digit form?(without repetition)

2. Relevant equations

3. The attempt at a solution

my answer was 120 but the book says it's 100, I am confused.. need help.

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# Homework Help: 'Simple' permutation problem

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