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(Solved): 7. A Certain Compact Dise Player Randomly Plays Each Of 10 Songs On CD. Once Song Is Played, It Is N ...

7. A certain compact dise player randomly plays each of 10 songs on CD. Once song is played, it is not repeated until all the

7. A certain compact dise player randomly plays each of 10 songs on CD. Once song is played, it is not repeated until all the songs on the CD have been played. In how many different ways on the CD player play the 10 songs? 8. A license plate is designed so that the first two characters are letters and the last four characters are digits ( through 9). How many different license plates can be formed assuming that letters and numbers can be used more than once? 9. A family has eight children. If this family has exactly three boys, how many different birth and gender orders are possible? 10. A golf course architect has four linden trees, five white birch trees, and two bald cypress trees to plant in a row along a fairway. In how many ways can the landscaper plant the trees in a row, assuming that the trees are evenly spaced?

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