Answer:
They can make 2592 different burritos.
Explanation:
In this question:
We multiply the number of options for each condiment.
1 choice of tortilla from a set of 3.
1 choice of meat from a set of 4.
1 choice of rice from a set of 2
1 choice of beans from a set of 3
1 choice of cheese from a set of 3
1 choice of salsa from a set of 4.
1 extra topping from a set of 3.
So
3*4*2*3*3*4*3 = 2592
They can make 2592 different burritos.