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 #733721 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "20 numbers Position 4 = 20P4 = 20∙19∙18∙17 = 116280 \n" );
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