document.write( "Question 241777: How many four-digit numbers less than 6000 can be formed using the digits 2, 4, 6, 7, 8, and 9 with replacement? (i.e. digits can be repeated in the number, for example 2447 is acceptable.) \n" ); document.write( "
Algebra.Com's Answer #177090 by Edwin McCravy(20056)\"\" \"About 
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How many four-digit numbers less than 6000 can be formed using the digits 2, 4, 6, 7, 8, and 9 with replacement? (i.e. digits can be repeated in the number, for example 2447 is acceptable.)
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document.write( "You can choose the first digit as either 2 or 4.  That's 2 ways\r\n" );
document.write( "to choose the first digit.\r\n" );
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document.write( "For each of those ways, you can choose the second digit any \r\n" );
document.write( "of the 6 ways.  \r\n" );
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document.write( "For each of those ways, you can choose the third digit any \r\n" );
document.write( "of the 6 ways.\r\n" );
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document.write( "For each of those ways, you can choose the fourth digit any \r\n" );
document.write( "of the 6 ways.\r\n" );
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document.write( "So the total number is 2x6x6x6 = 432 ways\r\n" );
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document.write( "Edwin
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