Suppose we want to choose 2 colors, without replacement, from the 4 colors red, blue, green, (a)
How many ways can this be done, if the order of the choices is taken into
consideration?
How many ways can this be done, if the order of the choices is not taken into
(5)
consideration?

Number of ways = 6

Step-by-step explanation:

Given:

Total number of choices = 4

Taken object choices = 2

Find:

Number of ways

Computation:

Number of ways =  [4 × 3] / 2!

Number of ways = [4 × 3] / [2 × 1]

Number of ways = [12] / [2]

Number of ways = 6

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step-by-step explanation:

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