document.write( "Question 389445: find the sum of the first five terms in the geometric series -3/2+1-2/3+... \r
\n" ); document.write( "\n" ); document.write( "A. 55/54
\n" ); document.write( "B. -55/54
\n" ); document.write( "C. 55/27
\n" ); document.write( "D. -55/27\r
\n" ); document.write( "\n" ); document.write( "Thank you so much!!!!
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Algebra.Com's Answer #275975 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi,
\n" ); document.write( "geometric series -3/2, 1,-2/3,+...
\n" ); document.write( "\"a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29\" In this example r = -2/3\r
\n" ); document.write( "\n" ); document.write( "\"a%5B4%5D+=+%28-3%2F2%29%2A%28-2%2F3%29%5E3+=+-3%2F2%2A-8%2F27+=+4%2F9\"
\n" ); document.write( "\"a%5B5%5D+=+%28-3%2F2%29%2A%28-2%2F3%29%5E4+=+-3%2F2%2A16%2F81+=+-8%2F27\"
\n" ); document.write( "-3/2 + 1 + -2/3 + 4/9 - 8/27 = ( -81 + 54 - 36 + 24 - 16) /54 = -55/54 \n" ); document.write( "
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