SOLUTION: In how many ways can 10 instructors be assigned to seven sections of a course in mathematics? is the answer 1209600 ways?

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Question 426266: In how many ways can 10 instructors be assigned to seven sections of a course in mathematics?
is the answer 1209600 ways?
Answer by solver91311(24713) About Me  (Show Source):
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No. You want the number of ways to select 7 things from 10 things.

is the number of combinations of things taken at a time and is calculated by

So begin with the formula and plug in your numbers:



First, realize that



So the arithmetic simplifies to:





John

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