Question

in how many ways can a teacher choose one or more students from 6 eligible student?

Answer 1

654321
54321
4321
321
21
1

720 if i remember my factorials

Answer 2

I think it's:
\(^6C_1 + ^6C_2 + ^6C_3 + ^6C_4 + ^6C_5 + ^6C_6\)
\(= 6 + 15 + 20 + 15 + 6 + 1\)
\(= 63\)

Answer 3

thank u for the answers.

Answer 4

its a combination