Take upper bound difference directly as the error since averaging would dis-include the potential of ln x delta x from being a possible value. Find the logarithm with base 10 of number 100. The base- 10 or common log is popular for historical reasons and is usually written as log x.
The value of e is equal to approximately 271828.
A logarithm is defined as the power or exponent to which a number must be raised to derive a certain number. Like p e is a mathematical constant and has a set value. Ln 4 log e 4 13862. Y logb x.