document.write( "Question 142077:  
\n" );
document.write( "= \r
\n" );
document.write( "\n" );
document.write( "i dont know the answer. =[[
\n" );
document.write( "please help! \n" );
document.write( "
| Algebra.Com's Answer #103479 by scott8148(6628)     You can put this solution on YOUR website! in order to add (or subtract) the two quantities; the powers of 10 must be the same\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.77x10^3=0.277x10^4 __ 0.277x10^4+1.04x10^4=1.317x10^4 \n" ); document.write( " |