There are four students and a lecturer for a photography session. determine the number of ways the people can be arranged such that the lecturer stands in the middle.

24 ways

Step-by-step explanation:

Given that

Number of students = 4

Lecturer have to stand in the middle position.

We have five places in which middle place is for lecturer,now we have four places and we have to arrange four students on that four places.So there will 4! ways to arrange those students.

4!= 4 x 3 x 2 x 1

4! =24

So we have 24 ways to arrange 4 students and one lecturer .

answer: t=3

step-by-step explanation:

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5