document.write( "Question 1029025: The first term of a geometric progression is 5 and the fifth term is 1280, the common ratio is 4\r
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Algebra.Com's Answer #644123 by ikleyn(52786)\"\" \"About 
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document.write( "1.  \"a%5Bn%5D\" = \"a%5B1%5D%2Ar%5E%28n-1%29\" = \"5%2Ar%5E%28n-1%29\" is the expression for the n-th term.\r\n" );
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document.write( "2.  The info \"and the fifth term is 1280\" is excessive and is not used in this evaluation.\r\n" );
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document.write( "3.  To learn more on geometric progressions, see the lesson  Geometric progressions  in this site.\r\n" );
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