A pizza parlor offers four sizes of pizza and different toppings. A customer may choose any number of toppings (or no topping at all). How many different pizzas does this parlor offer?
The number of pizzas offered by a pizza parlor.
The number of ways of selecting objects taken at a time from a total of objects is given by,
The subsets of elements is given by,
The total number of ways of selecting objects with elements taken at a time from a total of objects is given by,
Number of size of pizza available are . Number of toppings available for selecting in a pizza are .
Calculate the number of ways of selecting the base size of pizza
Substitute for and for in equation to find the number of pizza available in different shapes.
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