document.write( "Question 1159596: a^(1)=18,r=3,n=6 \n" ); document.write( "
Algebra.Com's Answer #782647 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "given:\r
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\n" ); document.write( "\n" ); document.write( "\"a%5B1%5D=18\"
\n" ); document.write( "\"r=3\"
\n" ); document.write( "\"n=6\"\r
\n" ); document.write( "\n" ); document.write( "=> it’s geometric sequence\r
\n" ); document.write( "\n" ); document.write( "\"n\"th term formula is:\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=a%5B1%5D%2Ar%5E%28n-1%29\".......plug in given data\r
\n" ); document.write( "\n" ); document.write( "\"a%5B6%5D=18%2A3%5E%286-1%29\"
\n" ); document.write( "\"a%5B6%5D=18%2A3%5E5\"
\n" ); document.write( "\"a%5B6%5D=18%2A243\"
\n" ); document.write( "\"a%5B6%5D=4374\"\r
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