Question

At Beast Island Pizza, every pizza comes with cheese and tomato sauce. Beast Island Pizza offers four toppings: Pepperoni, sausage, mushrooms, and onions. Customers can add any number of toppings to a pizza, but Beast Island Pizza does not let customers double up on toppings or add extra cheese to a pizza.
In how many different ways could a customer order a pizza?

Answer 1

Answer:

16 different combos

Step-by-step explanation:

0 toppings = 1

1 topping =  4 ways

2 toppings =   4 c 2 =  6 ways

3 topping   =  4 c 3 =  4 ways

4 toppings    = 1 way