document.write( "Question 1040323: I'm having some trouble w/ this problem and would appreciate any help:\r
\n" ); document.write( "\n" ); document.write( "8^x = 1/128\r
\n" ); document.write( "\n" ); document.write( "I came up with this answer: X = 1/ 1024\r
\n" ); document.write( "\n" ); document.write( "I'm not sure what I did wrong, but I could use some help please! Thank you!
\n" ); document.write( "

Algebra.Com's Answer #655124 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+1%2F128+=+1%2F%28%28+2%5E7%29%29+\"
\n" ); document.write( "\"+1%2F128+=+2%5E%28-7%29+\"
\n" ); document.write( "--------------------
\n" ); document.write( "\"+8%5Ex+=+2%5E%28-7%29+\"
\n" ); document.write( "\"+%28+2%5E3+%29%5Ex=+2%5E%28-7%29+\"
\n" ); document.write( "\"+2%5E%283x%29+=+2%5E%28-7%29+\"
\n" ); document.write( "The exponents have to be equal
\n" ); document.write( "\"+3x+=+-7+\"
\n" ); document.write( "\"+x+=+-7%2F3+\"
\n" ); document.write( "--------------------
\n" ); document.write( "Check the answer:
\n" ); document.write( "\"+8%5Ex+=+1%2F128+\"
\n" ); document.write( "\"+8%5E%28-7%2F3%29+=+1%2F128+\"
\n" ); document.write( "\"+8%5E%28-2.3333%29+=+.0078125+\"
\n" ); document.write( "\"+.007813+=+.0078125+\"
\n" ); document.write( "error due to rounding off
\n" ); document.write( "
\n" );