A school director must randomly select 6 teachers to participate in a training session. There are 30 teachers at the school. In how many different ways can these teachers be selected, if the order of selection does not matter?

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A school director must randomly select 6 teachers to participate in a training session. There are 30 teachers at the school. In how many different ways can these teachers be selected, if the order of selection does not matter?

Mathematics
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If you know how permutations. This will be a lot easier for you. I'll attempt to explain so you dont keep asking the same type of questions. There are 30 teachers for 6 posts. For the first position, there are 30 possible choices. For the second position, there are 29 possible choices, and so on.
30 Permutation 6, or 30*29*28*27*26*25

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how did you get all those numbers @incompite

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