document.write( "Question 536465: Using only the numbers 1, 2, and 3 without repeating, how many three digit number can be made?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #352366 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "There are 3 ways to choose the first digit, either 1, 2 or 3.\r\n" );
document.write( "\r\n" );
document.write( "For each of those 3 ways, regardless of which one you chose for\r\n" );
document.write( " \r\n" );
document.write( "the 1st digit, there remain 2 digits to choose for the second digit.  \r\n" );
document.write( "\r\n" );
document.write( "So there are 3×2 or 6 ways to choose the first two digits.  \r\n" );
document.write( "\r\n" );
document.write( "Then there is only 1 digit left to use for the 3rd digit.  \r\n" );
document.write( "\r\n" );
document.write( "So there are 3×2×1 or 6 ways to choose the three digits.  Here are all\r\n" );
document.write( "6 ways:  \r\n" );
document.write( "\r\n" );
document.write( "123, 132, 213, 231, 312, 321\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );