document.write( "Question 1148640: how many different id cards can be made if there are four digits on a card and no digit can be used more than once \n" ); document.write( "

Algebra.Com's Answer #769991 by Alan3354(69443) $\"\"$ $\"About$

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how many different id cards can be made if there are four digits on a card and no digit can be used more than once
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\n" ); document.write( "If leading zeroes are accepted, eg, 0123, it's
\n" ); document.write( "10*9*8*7
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\n" ); document.write( "If not, it's 9*9*8*7 \n" ); document.write( "

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