Respuesta :

Answer:

When choosing "r" things from a larger set of "n" things, the formula is:

combinations = n ! / (r! * (n-r)!)

combinations = 5 * 4 * 3 * 2 * 1 = (2!) * (3!)

combinations = 5 * 4 * 3 * 2 * 1 = (2 * 6)

combinations = 5 * 2

combinations = 10

Step-by-step explanation:

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