drake has 7 song that he choose to sing in the shower each day of the week, one song per day. If he never sings the same song twice in week, how many different ways can he choose his song throughout the week?
Question
-
Answer:5040 waysStep-by-step explanation:7! = 50407 choices on day 16 choices on day 25 choices on day 34 choices on day 4321 7 x 6 x 5 x 4 x 3 x 2 x1 = 5040