Question
A group of 10 students consists of 3 girls and 7 boys. How many ways can the students be
arranged from left to right if the first 3 students are girls and the remaining students are all
boys?
arranged from left to right if the first 3 students are girls and the remaining students are all
boys?
Answers
Damon
How many ways can the girls be arranged?
3!
how many ways can the boys be arranged?
7!
so
3!*7! big number
6*5040 = 30,240
3!
how many ways can the boys be arranged?
7!
so
3!*7! big number
6*5040 = 30,240
Andrew
no the girls can be arranged 9 different ways and the boys can be arranged 49 different ways