Sagot :
Answer:
1. P, every position can't be repeated
2. Not permutation, the word selecting, it's a combi
3. P, the "arrange" word
4. P, the "arrange" word as well
5. Not, it's chosen therefore it's a combi and not permutation
Answer:
1. P, every position can't be repeated
2. Not permutation, the word selecting, it's a combi
3. P, the "arrange" word
4. P, the "arrange" word as well
5. Not, it's chosen therefore it's a combi and not permutation