Question
Pine Pizza Palace sells pizza plain or with one or more of the following toppings: pepperoni, sausage, mushrooms, olives,onions, or anchovies. (six toppings or plain) How many different pizzas can be made? (Hint: A person can select or not select each item.)
Answers
Steve
six toppings means that there are 2^6=64 ways to select them or not.
Reiny
number of subsets of 6 elements
= 2^6
= 64
which includes the nullset (plain pizza) and all elements ("the works")
= 2^6
= 64
which includes the nullset (plain pizza) and all elements ("the works")