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OpenStudy (anonymous):
How many strings can be formed using the letters in the word router (that is, R-O-U-T-E-R)? I thought it was 6! but it isn't
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OpenStudy (anonymous):
6!
OpenStudy (anonymous):
It's 6!/2!, I believe I answered that in your other thread
OpenStudy (zarkon):
do you have to use all the letters?
OpenStudy (anonymous):
yes all the letters
OpenStudy (zarkon):
then MarineFury is correct
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OpenStudy (anonymous):
I got the same answer as MarineFury
OpenStudy (anonymous):
we devide to 2! because theree is two R?
OpenStudy (anonymous):
Yes, because there are 2 Rs.
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