Why is ln natural logarithm?
2 answers:
Logarithms with a base of "e" which is approximately equal to 2.71828, are called natural logarithms. Natural logarithms are represented by the abbreviation ln.
For example, ln 20 means that natural log of 20. Since the base of a natural log is e or 2.71828, the value of the natural log of 20 is approximately equal to 3 because 2.71828 to the 3rd power is approximately equal to 20.
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Before we get started, it is good to remember PEMDAS - the acronym that tells you the order to carry out equations.
P = parentheses
E = exponents
M = multiplication
D = division
A = addition
S = subtraction
Knowing this, we should start by doing the equations <em>within </em>each parentheses.
So we did the addition and subtraction pieces within each group leaving us with the above equation. Now let's multiply:
20 is the answer.
P = parentheses
E = exponents
M = multiplication
D = division
A = addition
S = subtraction
Knowing this, we should start by doing the equations <em>within </em>each parentheses.
So we did the addition and subtraction pieces within each group leaving us with the above equation. Now let's multiply:
20 is the answer.