document.write( "Question 1178168: Write an expression for the apparent nth term of the sequence. (Assume that n begins with 1.)\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "1/3, − 2/9, 4/27, − 8/81, . . .
\n" ); document.write( "

Algebra.Com's Answer #807346 by math_helper(2461)\"\" \"About 
You can put this solution on YOUR website!
\"a%5B1%5D+\" = \"+%28-2%29%5E0%2F3%5E1\"
\r
\n" ); document.write( "\n" ); document.write( "\"a%5B2%5D+\" = \"+%28-2%29%5E1%2F3%5E2\"
\r
\n" ); document.write( "\n" ); document.write( "\"a%5B3%5D+\" = \"+%28-2%29%5E2%2F3%5E3\"
\r
\n" ); document.write( "\n" ); document.write( "\"a%5B4%5D+\" = \"+%28-2%29%5E3%2F3%5E4\"
\r
\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "\"a%5Bn%5D\" = \"+%28-2%29%5E%28n-1%29%2F3%5En+\", n=1,2,3,...
\n" ); document.write( "
\n" );