document.write( "Question 895652: How many integers between 10 and 100 can be formed by the digits 1,2,3,4,5 if no repetition is allowed? How many can be formed if repetition is allowed?
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Algebra.Com's Answer #542946 by Edwin McCravy(20056)\"\" \"About 
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How many integers between 10 and 100 can be formed by
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document.write( "Choose the first digit any of the 5 ways.\r\n" );
document.write( "Choose the second digit any of the remaining 4 ways.\r\n" );
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document.write( "Answer: 5*4 = 20\r\n" );
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document.write( "12, 13, 14, 15, 21,\r\n" );
document.write( "23, 24, 25, 31, 32,\r\n" );
document.write( "34, 35, 41, 42, 43,\r\n" );
document.write( "45, 51, 52, 53, 54.\r\n" );
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document.write( "Choose the first digit any of the 5 ways.\r\n" );
document.write( "Choose the second digit any of the 5 ways.\r\n" );
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document.write( "Answer: 5*5 = 25\r\n" );
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document.write( "11, 12, 13, 14, 15,\r\n" );
document.write( "21, 22, 23, 24, 25, \r\n" );
document.write( "31, 32, 33, 34, 35, \r\n" );
document.write( "41, 42, 43, 44, 45, \r\n" );
document.write( "51, 52, 53, 54, 55. \r\n" );
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document.write( "Edwin
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