document.write( "Question 631819: A company ID card contains 7 digits, such as 92-71-042. How many different ID numbers can be formed? \n" ); document.write( "
Algebra.Com's Answer #397877 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A company ID card contains 7 digits, such as 92-71-042. How many different ID numbers can be formed? \n" ); document.write( "------------ \n" ); document.write( "If all combinations are allowed, such as 00-00-000, it's 10^7 \n" ); document.write( "= 10 million. \n" ); document.write( " \n" ); document.write( " |