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#1 2011-05-02 00:42:57
- mantastrike
- Member
- Registered: 2011-04-24
- Posts: 64
How many permutations of abcde are there
How many permutations of abcde are there, in which the first character is a or b and the last character is c, d or e?
PLEASE HELP ME, THANK YOU.
can you please provide detailed answer as well, you don't have to explain but at least show some working. PLEASE!!
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#2 2011-05-02 05:18:00
- gAr
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- Registered: 2011-01-09
- Posts: 3,482
Re: How many permutations of abcde are there
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
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#3 2011-05-02 06:43:05
- soroban
- Member
- Registered: 2007-03-09
- Posts: 452
Re: How many permutations of abcde are there
.
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#4 2011-05-04 17:05:33
- mantastrike
- Member
- Registered: 2011-04-24
- Posts: 64
Re: How many permutations of abcde are there
.
can u plz tell me how you do this involving getting the "nth"
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#5 2011-05-05 14:42:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: How many permutations of abcde are there
Hi mantastrike;
The nth what?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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