document.write( "Question 1040640: how many even numbers of four digits number can be formed from the digits 1,2,3,4,
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Algebra.Com's Answer #655553 by ikleyn(52781) $\"\"$ $\"About$

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document.write( " = 2*625 = 1250.\r\n" );
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document.write( "Last digits: 2 or 4 only (2 options)\r\n" );
document.write( "5 options for digits in every position from 1 to 4 counting from the left:  options.\r\n" );
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document.write( "Therefore, the result is .\r\n" );
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