Please help an idiot?
回答 (4)
2016-10-31 5:05 am
42
2016-10-31 5:10 am
Assuming the order matters:
P(5,5) = 5! = 120
If order does not matter:
C(5,5) = 1
P(5,5) = 5! = 120
If order does not matter:
C(5,5) = 1
2016-10-31 5:05 am
In how many ways can five students be seated in a row of five seats?
a. C(5, 5) =156
b. C(5, 5) =136
c. P(5, 5) =84
d. P(5, 5) =120
Please explain. thank you
a. C(5, 5) =156
b. C(5, 5) =136
c. P(5, 5) =84
d. P(5, 5) =120
Please explain. thank you
2016-10-31 5:02 am
Ok... u need to add the question the details
收錄日期: 2021-04-11 21:29:15
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