Ask your own question, for FREE!
Mathematics
OpenStudy (anonymous):

How many permutations of 4 letters can be made out of the letters of the word "EXAMINATION"?

6 years ago
OpenStudy (anonymous):

\[\frac{ {_{11}P_{4}} }{2!*2! } = 1980 \]

6 years ago
OpenStudy (anonymous):

"EXAMINATION" Total 11 letters, 1E,1X,2A,1M,2I,2N,1O,1T, the answer is the coefficient of \(x^4\) in \[ 4! (1+x)^5 (1+x+\frac {x^2}{2!})^3 \] which is \(2454 \)

6 years ago
Can't find your answer? Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!
Latest Questions
eviant: Math help pls
2 hours ago 15 Replies 0 Medals
katkit25: if you pollute you ruin homes of creatures such as
6 hours ago 4 Replies 0 Medals
Val050301: What theorem or postulate can be used to justify that HIG=FIE?
7 hours ago 2 Replies 1 Medal
johnnn: https://prnt.sc/n1x9uo
1 hour ago 4 Replies 1 Medal
eviant: Math help pls
8 hours ago 10 Replies 1 Medal
eviant: Math help pls
21 hours ago 5 Replies 1 Medal
eviant: Math help pls
21 hours ago 16 Replies 1 Medal
eviant: Math help pls
22 hours ago 9 Replies 3 Medals