help hard math problem!

Marie's bakery has 5 different cupcakes to put in the display case. If the cupcakes are randomly placed in the display case to form a single row, how many different ways can the 5 cupcakes be put in the display case?
i think its a but im not sure

A. 3!

B. 4!

C. 5!

D. 6!

Question

help hard math problem!

Marie's bakery has 5 different cupcakes to put in the display case. If the cupcakes are randomly placed in the display case to form a single row, how many different ways can the 5 cupcakes be put in the display case?  
 i think its a but im not sure

  A.  3! 
 
  B.  4! 
 
  C.  5! 
 
  D.  6!

anonymous · Answer

why do you think it's A?

anonymous · Answer

Number of ways of arranging n distinct objects into n distinct groups at most one in each group is given by $ n! $

Hence 5!.