document.write( "Question 150163: Could I please get some help with the following problem:\r
\n" ); document.write( "\n" ); document.write( "Find the sum:\r
\n" ); document.write( "\n" ); document.write( "10
\n" ); document.write( "∑ $\"%28-2%29%5Ek\"$
\n" ); document.write( "k=1\r
\n" ); document.write( "\n" ); document.write( "Thank You,
\n" ); document.write( "Ray \n" ); document.write( "

Algebra.Com's Answer #110201 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Set up a table of values for k and the argument, $\"%28-2%29%5Ek\"$ .
\n" ); document.write( "EXCEL is a great program to do this.
\n" ); document.write( " $\"k=1\"$ , $\"+-2%5Ek=-2%5E1=-2\"$
\n" ); document.write( " $\"k=2\"$ , $\"+-2%5Ek=-2%5E2=4\"$
\n" ); document.write( " $\"k=3\"$ , $\"+-2%5Ek=-2%5E3=-8\"$
\n" ); document.write( " $\"k=4\"$ , $\"+-2%5Ek=-2%5E4=16\"$
\n" ); document.write( " $\"k=5\"$ , $\"+-2%5Ek=-2%5E5=-32\"$
\n" ); document.write( " $\"k=6\"$ , $\"+-2%5Ek=-2%5E6=64\"$
\n" ); document.write( " $\"k=7\"$ , $\"+-2%5Ek=-2%5E7=-128\"$
\n" ); document.write( " $\"k=8\"$ , $\"+-2%5Ek=-2%5E8=256\"$
\n" ); document.write( " $\"k=9\"$ , $\"+-2%5Ek=-2%5E9=-512\"$
\n" ); document.write( " $\"k=10\"$ , $\"+-2%5Ek=-2%5E10=1024\"$
\n" ); document.write( "Sum the first ten terms,
\n" ); document.write( " $\"-2%2B4-8%2B16-32%2B64-128%2B256-512%2B1024=682\"$
\n" ); document.write( " $\"sum%28+%28-2%29%5Ek%2C+1%2C+10+%29=682\"$
\n" ); document.write( " \n" ); document.write( "

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