SOLUTION: The total number of permutations of 10 district objects taken 4 at a time is A.30,240 B.5,040 C.720 D.120
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Question 1089015
:
The total number of permutations of 10 district objects taken 4 at a time is
A.30,240
B.5,040
C.720
D.120
Answer by
ikleyn(52803)
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10*9*8*7 = 5040.
See
http://www.math.wsu.edu/faculty/dzhang/201-spring2013/201lecturenotes-spring13/Wed4-10written.pdf
http://www.math.wsu.edu/faculty/dzhang/201-spring2013/201lecturenotes-spring13/Wed4-10written.pdf
