1.23 people run a race. There are different prizes for 1st, 2nd, and 3rd place. How
many different ways can they finish? (hint: permutation, combination, counting principle?)
a
10626
b. 1771
c. 7.6

 a) 10,626

Step-by-step explanation:

First place    and     Second place   and    Third place   =  TOTAL

23 runners     x        22 runners        x       21 runners    =  10,626

                                  remaining                  remaining

answer: 5

step-by-step explanation:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8