adilahbalqis3142 adilahbalqis3142

04-11-2017
Mathematics

contestada

How many ordered lists are there of two items chosen from three?

Respuesta :

Yna9141 Yna9141

14-11-2017

To answer this item, we are to use the concept of combination. The equation is as follows,

nCr = (n!)/((r!)(n - r))!

Substituting the known values in the equation,

3C2 = 3!/(2!)(3-2)! = 3

Hence, the answer to this item is 3.

ANSWER: 3

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