Answered

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In how many ways can 4 people be chosen and arranged in a straight line if there are 13 people from whom to choose?

Sagot :

akiran007

Answer:

17160

Step-by-step explanation:

Total number = n = 13

Number required = r= 4

If the number required does not have a specific order then combinations is chosen.

If a specific arrangement is required then permutations is used.

Here a  specific arrangement is mentioned therefore

13P4= 17160

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