Asked by Gigi

Ms. Washington has 18 students in her class. She wants to send 3 of her students to pick up books for the class. How many combinations of students can she choose?

816

54

306

4896

I'm not sure if its A?
Answered by Reiny
816 is correct, but I am interested to know why you decided on A.
Answered by Gigi
ty.
Answered by Biriemi powei
18c3=18!/3!15! =816
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