document.write( "Question 1174086: When computing for the check digit of a barcode why do we need to multiply the even-positioned digits by 3? \n" ); document.write( "

Algebra.Com's Answer #799483 by ikleyn(52793) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "It is clear that a general public person (like me) and/or a school student will be perplexed with this question, \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "because he (or she, or me) even doesn't know to which subject this question does relate, \r\n" );
document.write( "and why this question did arrive to this forum . . . \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Therefore, my question to the tutor @math_helper, whose knowledge admire me, is \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    to which area/subject/speciality this question does really relate ?\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Thank you.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );