The given details follow the product rule. The different model of the car available are 756.
Given that:
[tex]Engines = 3[/tex]
[tex]Stereos = 2[/tex]
[tex]Body=18[/tex]
[tex]Color = 7[/tex]
The different possibility is calculated using the following product rule:
[tex]Total =Engines \times Stereos \times Body \times Color[/tex]
So, we have:
[tex]Total = 3\times 2\times 18 \times 7[/tex]
[tex]Total = 756[/tex]
Hence, there are 756 different models available.
Read more about product rules at:
https://brainly.com/question/3944602