document.write( "Question 850159: What is the difference of the greatest and smallest numbers formed by the digits 6,4,8,0 using each digit only once \n" ); document.write( "

Algebra.Com's Answer #511986 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "Write the largest possible first digit, 8\r\n" );
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document.write( "Of the remaining digits {6,4,0} write the largest possible second digit, 6\r\n" );
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document.write( "Of the remaining digits {4,0} write the largest possible third digit, 4\r\n" );
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document.write( "The last digit must be 0\r\n" );
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document.write( "So the largest possible number is 8640\r\n" );
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document.write( "{6,4,8,0}\r\n" );
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document.write( "Write the smallest possible first digit, it cannot be 0 because 0 is not \r\n" );
document.write( "really a first digit. So you must use 4 for the first digit.\r\n" );
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document.write( "Of the remaining digits {6,8,0} write the smallest possible second digit, 0\r\n" );
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document.write( "Of the remaining digits {6,8} write the smallest possible third digit, 6\r\n" );
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document.write( "The last digit must be 8\r\n" );
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document.write( "So the smallest possible number is 4068.\r\n" );
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document.write( "Subtract them \r\n" );
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document.write( "8640-4068 = 4572\r\n" );
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document.write( "Edwin

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