document.write( "Question 1122707: Find the number of terms in the following sequence 8,4,2,1/2--------1/512 \n" ); document.write( "
Algebra.Com's Answer #738854 by math_helper(2461)\"\" \"About 
You can put this solution on YOUR website!
Find the number of terms in the following sequence 8,4,2,1/2--------1/512
\n" ); document.write( "===========================\r
\n" ); document.write( "\n" ); document.write( "The sequence is \"+2%5E3+\", \"+2%5E2+\", \"+2%5E1+\", \"+2%5E%28-1%29+\", … , \"+2%5E%28-9%29+\"
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This is 3-(-9) +1 - 1 = \"+highlight%2812%29+\" terms
\r
\n" ); document.write( "\n" ); document.write( "Note that the sequence you have posted does not have a \"+2%5E0+=+1+\" entry. I mention it because items labeled k, k+1,..., k+N represent (k+N)-(k) + 1 = N+1 items in all. Here the final -1 is adjusting for the missing entry. \r
\n" ); document.write( "\n" ); document.write( "—————
\n" ); document.write( "
\n" ); document.write( "
\n" );