Respuesta :
Answer:
he has I20 different ways to put the books
Step-by-step explanation:
to solve this you would multiply 5x4x3x2 this is how many different combinations he can but the note book on the shelf. 5x4x3x2 is equal to 120
Answer:
he has I20 different ways to put the books
Step-by-step explanation:
to solve this you would multiply 5x4x3x2 this is how many different combinations he can but the note book on the shelf. 5x4x3x2 is equal to 120