document.write( "Question 1204431: Determine whether 280 is a term in the G.P 1,3,9,27… \n" ); document.write( "
Algebra.Com's Answer #840678 by mananth(16946)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Determine whether 280 is a term in the G.P 1,3,9,27…\r
\n" ); document.write( "\n" ); document.write( "a= 1
\n" ); document.write( "r=3
\n" ); document.write( "An =280\r
\n" ); document.write( "\n" ); document.write( "tn= a*r^(n-1)
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\n" ); document.write( "280 = 1*3^(n-1)\r
\n" ); document.write( "\n" ); document.write( "When we calculate, n is not a whole number so it is not a term in the given GP\r
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