In how many ways can 4 people sit next to each other in a stadium row

They can sit next to each other in 24 different ways.

Step-by-step explanation:

In order to solve this problem, use the factorial function (!).

4! = 4 * 3 * 2 * 1 = 24

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

pls mark as brainliest