document.write( "Question 1118401: If you are allowed to use numbers 1 – 20 and need to choose the passcode of an exact 4 digit code, how many possibilities are there? \n" ); document.write( "
Algebra.Com's Answer #733729 by ikleyn(52786)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "1.   I do not think that the solution by Edwin is adequate to the condition.\r
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\n" ); document.write( "\n" ); document.write( "2.   Since the condition does not formulate if the digit repetition is allowed or not,  this formulation is not precisely correct.\r
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