Asked by Hope

There are 12 students in a social studies class. Three students will be selected to present their term projects today. In how many different orders can three students be selected?
Answered by Steve
12! ways
Answered by Hope
That's not one of the answer choices.
A. 1,320
B. 220
C. 504
D. 36
Answered by Hope
Answer - A. 1,320
Answered by MsPi_3.14159265
Nope...
12 students and you are "choosing" three to do their presentation.
Order doesn't matter, so you have a combination 12C3
by definition of combination you have
12C3= n!/(r!(n-3)!
= 12! divided by 3!(9!)
= 12 x 11x10 /3x2x1
= ...
Answered by Steve - ouch!
Sorry - I missed the "three"
Answered by ?
Ash
Answered by Stretch
So is it a,b,c, or ,d?
Answered by urmom
its A. 1,320
i just took the test
Answered by Bruh
urmom, do you have the rest of the ansvers by any chance ?
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