How many different pizzas can be ordered if the restaurant offers 15 different toppings and there is no limit to the number of toppings on the pizza?

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asked Jan 27, 2018 161k views

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Wesley Ranger · Answer 1 · 2018-01-28T17:57:07+0000

I am not extremely sure about this but I think the amount of different pizza that can be ordered is 15. Because, they offer exactly 15 different toppings. Right? No, probably wrong:(

Matyas · Answer 2 · 2018-01-31T02:05:53+0000

The answer will be:

C(15,1) + C(15,2) + C(15,3) +...+ C(15,15)

The number will be huge. My current calculator cannot compute it

How many different pizzas can be ordered if the restaurant offers 15 different toppings and there is no limit to the number of toppings on the pizza?

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