document.write( "Question 269362: How many digits are in the number 5^72 * 2^74 ? \r
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Algebra.Com's Answer #197424 by Edwin McCravy(20064)\"\" \"About 
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How many digits are in the number \"5%5E72+%2A+2%5E74\" ?
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document.write( "\"1%2A10%5E0=1\" through \"9%2A10%5E0=9\" has 1 digit.\r\n" );
document.write( "\"1%2A10%5E1=10\" through \"9%2A10%5E1=90\" has 2 digits.\r\n" );
document.write( "\"1%2A10%5E2=100\" through \"9%2A10%5E2=900\" has 3 digits.\r\n" );
document.write( "\"1%2A10%5E3=1000\" through \"9%2A10%5E3=9000\" has 4 digits.\r\n" );
document.write( "\"1%2A10%5E4=10000\" through \"9%2A10%5E4=90000\" has 5 digits.\r\n" );
document.write( "     ...\r\n" );
document.write( "\"1%2A10%5En=10000\"\"%22...0%22\" through \"9%2A10%5En=9000\"\"%22...0%22\" has n+1 digits.\r\n" );
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document.write( "So we see the pattern here that the power of 10 in any scientific\r\n" );
document.write( "notation is one less than the number of digits.  Therefore, \r\n" );
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document.write( "has 73 digits. \r\n" );
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document.write( "Edwin
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