Question

h.) How many different ways can Johnny place an algebra book, a geometry book, a chemistry book, an English book, and a health book on a shelf?​

Answer 1

5!

Explanation:

take algebra book. it can be placed first or 2nd or 3rd or 4th or last. so 5 different ways. but geometry book will be arranged in 4 ways, since algebra book is already arranged.

`5p5`

5!/0!= 5! = 120