Question

A group of friends is going out for pizza, and they decide that each person gets to choose one topping for the pizza. There are 4 friends, and there are 9 toppings to choose from. How many ways can the friends make a pizza from toppings, if they each choose a different topping? There are _____ ways the friends can make a pizza from toppings.

Answer 1

Answer: There are 126 ways the friends can make a pizza from toppings.

Explanation:

Number of toppings = 9

Number of friends = 4

According to question, each person gets to choose one topping for the pizza.

So, we will use "Combination ":

So, the number of ways the friends can make a pizza from toppings is given by

`^9C_4=126`

Hence, there are 126 ways the friends can make a pizza from toppings.