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Please explain how you got this answer
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2 votes
Please explain how you got this answer

Please explain how you got this answer-example-1
User Minhee
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1 Answer

2 votes
It gives 3 choices of toppings, and asks for the number of ways to arrange two toppings. Using the formula they give, n = 3 and k =2. So:
(3!)/(2!(3-2)!)
Thus, the answer is 3.

User Gpl
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