document.write( "Question 318300: What is a logarithm and how do I find it? \n" ); document.write( "
Algebra.Com's Answer #227807 by Edwin McCravy(20065)\"\" \"About 
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document.write( "If you know that 2 raised to the 3 power is 8 then you know a logarithm,\r\n" );
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document.write( "The fill-in-the-blank problem:\r\n" );
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document.write( "\"log%282%2C%288%29%29\" = ___\r\n" );
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document.write( "amounts to the following fill-in-the-blank problem.\r\n" );
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document.write( "2 raised to the ___ power is 8.\r\n" );
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document.write( "In both cases the number that goes in the blank is 3.\r\n" );
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document.write( "In other words, a logarithm IS the exponent to which we must raise the\r\n" );
document.write( "base in order get the number that we are taking the log of.\r\n" );
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document.write( "Since \"5%5E2+=+25\" that means that \"log%285%2C%2825%29%29+=+2\"\r\n" );
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document.write( "Since \"7%5E1+=+7\" that means that \"log%287%2C%287%29%29+=+1\"\r\n" );
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document.write( "Since \"10%5E8+=+100000000\" that means that \"log%2810%2C%28100000000%29%29+=+8\" \r\n" );
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document.write( "Since \"6%5E0+=+1\" that means that \"log%286%2C%281%29%29+=+0\"\r\n" );
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document.write( "Since \"B%5EA+=+C\" that means that \"log%28B%2C%28C%29%29+=+A\"\r\n" );
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document.write( "Since \"5%5E%28-1%29+=+1%2F5\" that means that \"log%285%2C%281%2F5%29%29+=+-1\"\r\n" );
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document.write( "Remember\r\n" );
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document.write( "1. The base of the exponent equals the base of the log.\r\n" );
document.write( "2. The log equals the exponent\r\n" );
document.write( "3. The result of the exponentiating is what the log is taken of.\r\n" );
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document.write( "Edwin
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