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 #733767 by greenestamps(13200) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "You have three responses already to your question.

\n" ); document.write( "The first one assumes the \"digits\" can't be repeated.

\n" ); document.write( "The second one suggests that answer might not be right because your statement of the problem did not specify whether or not repetition is allowed.

\n" ); document.write( "The third gives a possible answer based on the guess that repetition is allowed, which, without any direction one way or another, would be my interpretation.

\n" ); document.write( "The third tutor also pointed out a bigger problem with your statement of the problem, which says you have 20 choices for each \"digit\" -- a problem which the other two tutors appear to have overlooked. In base 10 (which I assume you are using, since no other base was specified), there are only 10 digits to choose from.

\n" ); document.write( "The bottom line is that you wasted your time and the time of several tutors here by not formulating your problem clearly.

\n" ); document.write( "When you are requesting help with a problem, it would be polite to take the time to make sure you have stated the problem correctly and clearly. \n" ); document.write( "

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