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Sagot :
Answer:
There are 7*6*5*4*3*2*1 ways to choose any group of 7, = 5040 ways.
Step-by-step explanation:
The formula for combinations is
C=n!/[(n-r)!*r!]
where
n is the total number of objects you choose from
r is the number that you choose to arrange
in this problem
n=7 students
r= 10 students
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