Answer:
The teams can be placed in 479,001,600 ways.
Explanation:
To solve this question, we want to know in how many ways 12 elements can be arranged.
Number of possible arrangements of x elements:
The number of possible arrangments of x elements is given by:

In this question:
12 teams, so arrangment of 12 elements.

The teams can be placed in 479,001,600 ways.