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
Answer This Question
Related Questions
 statistics  A professor who teaches a number of courses is choosing a team of 4...
 math  2 students are chosen at random from a group of 120 students that has 60 ...
 Math 1350  Mrs. Smith's classroom can hold at the most 30 students. Her first ...
 math  Ms Price has three times as many girls as boys in her classroom Ms Lippy ...
 maths  In a graduating class with the same number of boys and girls, 1/8 of the...
 math  4/9of a group of students are girls .if there are 17more boys than girls...
 math  There are 6 boys and 8 girls in a group of students. Calculate the number...
 math  This table shows the numbers of students in different classes that are in...
 math  At a school camp, 30% of the students were boys. When 87 students left ...
 math  At a school camp, 30% of the students were boys. When 87 students left ...
More Related Questions