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ri
Posts:
1
Registered:
1/25/05
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MATH HELP
Posted:
Jan 8, 2005 8:03 PM
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1. Define a good word as a sequence that only consits only of the
letters A, B , C-some of these letters may not appear in sequence- and
in which A is never immedialely followed by A, How many seven-letter
good words are there?
2. Find the eighth term of a sequence 1440 , 1716 , 1848.., whose
terms are formed by multiplying the corresponding terms of two
arithmetic sequences.
3. Let N be the greatest integer multiple of 8 , no two of whose
digits are the same. What is the reminder when N is divided by 1000?
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