tony1443 tony1443

12-02-2020
Mathematics

contestada

in how many ways can five different coloured flags be arranged in a row

Respuesta :

joshlind3 joshlind3

12-02-2020

Answer:

120

Step-by-step explanation:

This is going to be a permutation because order matters.

[tex]_5P_5[/tex]

The permutation formula is

[tex]_nP_r = \frac{n!}{(n-r)!}\\_5P_5 = \frac{5!}{(5-5)!}\\ _5P_5=\frac{120}{0!=1}\\ _5P_5 = 120[/tex]

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