document.write( "Question 1131968: 2: compute
\n" ); document.write( "10
\n" ); document.write( "(Sigma)(1/2)^t
\n" ); document.write( "t=0 \n" ); document.write( "

Algebra.Com's Answer #748724 by math_helper(2461) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+sum%28%281%2F2%29%5Et%2C+t=0%2C+t=10%29+\"$ =
\n" ); document.write( "

=
\n" ); document.write( " $\"%281%2F1024%29%281024%2B512%2B256%2B128%2B64%2B32%2B16%2B8%2B4%2B2%2B1%29+\"$ =
\n" ); document.write( " $\"+%281%2F1024%29%282%5E11-1%29+\"$ =
\n" ); document.write( " $\"+highlight+%282047%2F1024%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "Verify:
\n" ); document.write( " perl -e '$s=0; for($i=0;$i<=10;$i++) { $s += 2**$i;} print \"sum = $s/1024\n\"; $f=$s/1024; print \"or $f\n\";'
\n" ); document.write( "sum = 2047/1024
\n" ); document.write( "or 1.9990234375\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );