document.write( "Question 951109: Can you explain what E, LN, Log. I just canenot grasp this concept. Also how can you tell apart Exponential growth and decay? \n" ); document.write( "
Algebra.Com's Answer #580791 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "logB(A) asks what exponent the base B needs to become A?\r\n" );
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document.write( "log5(25) asks what exponent the base 5 needs to become 25?\r\n" );
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document.write( "The answer is 2 because when 5 is raised to the 2 power the result is\r\n" );
document.write( "25.  Therefore 2 is the exponent the base 5 needs to become 25.\r\n" );
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document.write( "log2(16) asks what exponent the base 2 needs to become 16?\r\n" );
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document.write( "The answer is 4 because when 2 is raised to the 4th power the result is\r\n" );
document.write( "16.  Therefore 4 is the exponent the base 2 needs to become 16.\r\n" );
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document.write( "log10(1000) asks what exponent the base 10 needs to become 1000?\r\n" );
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document.write( "The answer is 3 because when 10 is raised to the 3rd power the result is\r\n" );
document.write( "1000.  Therefore 3 is the exponent the base 10 needs to become 1000.\r\n" );
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document.write( "e is an irrational number which is approximately: \r\n" );
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document.write( "2.71828182845904523536028747135266249775724709369995957496696762772407663035354759457138217852516642742746639193200305992...\r\n" );
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document.write( "It is a special number that has the property that for any\r\n" );
document.write( "point on the graph of y=e^x, the slope of the line tangent\r\n" );
document.write( "to the graph at that point is the same as the y-coordinate\r\n" );
document.write( "of that point. \r\n" );
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document.write( "ln(x) means the logarithm of x to the base e  ln(x) = loge(x)\r\n" );
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document.write( "If log(x) is written without a base, the base is understood t6o be 10.\r\n" );
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document.write( "So log(x) means log(x)\r\n" );
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document.write( "Edwin
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