Respuesta :
The number of ways the student can be chosen as who goes first¸ second¸ third¸ and fourth is 840.
What is Permutation?
Permutation helps us to know the number of ways an object can be arranged in a particular manner. A permutation is denoted by 'P'.
[tex]^nP_r = \dfrac{n!}{(n-r)!}[/tex]
where,
n is the number of choices available,
r is the choices to be made.
The number of ways the student can be chosen as who goes first¸ second¸ third¸ and fourth = ⁷P₄ = 840
Hence, The number of ways the student can be chosen as who goes first¸ second¸ third¸ and fourth is 840.
Learn more about Permutation:
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