Find expert advice and community support for all your questions on IDNLearn.com. Find reliable solutions to your questions quickly and accurately with help from our dedicated community of experts.

There are 8 students in a small class. To make a team, the names of the 2 of them will be drawn from a hat. How many different teams of 2 students are possible?

Sagot :

[tex]_{8} C_2 \\ \\ \frac{8!}{(8-2)!2!} \\ \\ \frac{8!}{6!2!} \\ \\ \frac{8*7*6*5*4*3*2*1}{6*5*4*3*2*1*2*1} \\ \\ \frac{8*7}{2*1} \\ \\ \frac{56}{2} \\ \\ 28 [/tex]

28 different teams