I did the previous one for you.
Do be successful in this topic you simply MUST know how to do this type of trivial question.
They don't come any easier than this one.
Show me the steps you would take to solve this problem.
A school district has 2 teaching positions to fill and there are 8 applicants to choose from. How many different possibilities are there?
3 answers
one way i got 8!/2!*(8-2)!
8!/(2!*6!)
8!=40320
2!=2
6!=720
40320/(2*720 )=40320/1440=28 or another 7*8=56
8!/(2!*6!)
8!=40320
2!=2
6!=720
40320/(2*720 )=40320/1440=28 or another 7*8=56
can somebody check this problem
thank you.
thank you.
9 answers