How many different ways can 4 tickets be selected from 50 tickets if each ticket wins a different prize?

50P4 = 50!/(50-4)! = 50!/46! = 5,527,200 ways

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

part a: 1.08

part b: 27.59