document.write( "Question 769859: 10000^3.21^x = 340000\r
\n" ); document.write( "\n" ); document.write( "A 0.045
\n" ); document.write( "B0.457
\n" ); document.write( "C1.376
\n" ); document.write( "D0.543
\n" ); document.write( "E 0.431
\n" ); document.write( "F 2.565 \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "128(11.36)^x = 100
\n" ); document.write( "A 2.392
\n" ); document.write( "B-0.632
\n" ); document.write( "C1.581
\n" ); document.write( "D-0.102
\n" ); document.write( "E 0.632
\n" ); document.write( "F 1.576
\n" ); document.write( "

Algebra.Com's Answer #469106 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
10000^3.21^x = 340000
\n" ); document.write( "3.21^x(log10000)=log340000
\n" ); document.write( "3.21^x=log(340000)/log(10000)
\n" ); document.write( "3.21^x=1.383
\n" ); document.write( "xlog(3.21)=log(1.383)
\n" ); document.write( "x=log(1.383)/log(3.21)
\n" ); document.write( "x=0.278 (does not match any of given answers)
\n" ); document.write( "..
\n" ); document.write( "128(11.36)^x = 100
\n" ); document.write( "(11.36)^x = 100/128
\n" ); document.write( "xlog(11.36)=log(100/128)
\n" ); document.write( "x=log(100/128)/log(11.36)
\n" ); document.write( "x=-0.102(ans D)
\n" ); document.write( "
\n" ); document.write( "
\n" );