SOLUTION: In how many ways can 19 different pizza toppings be chosen from 20 available toppings? There are ways to choose pizza toppings.

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Question 1175785: In how many ways can 19 different pizza toppings be chosen from 20 available toppings?
There are
ways to choose pizza toppings.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
In how many ways can 19 different pizza toppings be chosen from 20 available toppings?
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If order doesn't matter:
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1 topping will be left out ---> 20 ways