Learn87
Learn87
23-04-2017
Mathematics
contestada
Please explain how you got this answer
Respuesta :
zebsi0n
zebsi0n
23-04-2017
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: [tex]\frac{3!}{2!(3-2)!} [/tex]
Thus, the answer is 3.
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