Rob has six songs on his portable music player. How many different four-song orderings can Rob create?
A. 30
B. 60
C. 120
D. 360
E. 720
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Download Printable PDF. VALID exam to help you PASS. |
 |
Rob has six songs on his portable music player. How many different four-song orderings can Rob create?
A. 30
B. 60
C. 120
D. 360
E. 720
|
Download Printable PDF. VALID exam to help you PASS. |
|