Posted by **Rena** on Wednesday, January 5, 2011 at 10:18am.

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?

- Math 157 -
**Damon**, Wednesday, January 5, 2011 at 10:24am
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

- Math 157 -
**Andrew**, Wednesday, January 5, 2011 at 1:57pm
no the girls can be arranged 9 different ways and the boys can be arranged 49 different ways

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