document.write( "Question 874151: what are the total amount of choices possible if an individual is to create a 4 digit password using the digits 0-9 inclusive but not using the digit 0 as the first character of the password \n" ); document.write( "
Algebra.Com's Answer #527337 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Each password is of the form ABCD\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "9 choices for slot A (1-9) \n" ); document.write( "10 choices for slot B (0-9) \n" ); document.write( "10 choices for slot C (0-9) \n" ); document.write( "10 choices for slot D (0-9)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply out the number of choices: 9*10*10*10 = 9000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If repeats are allowed, then there are 9000 different passwords. \n" ); document.write( " |