The numerical value of the natural log of 10 is 2.30258509299045684. The complete equation can be found on mathworld by wolfram. All further workings are too complex to explain in a small space.
To make a natural log a log with the base of 10, you take ten to the power of you natural log. Ex: ln15=log10ln15=log510.5640138 I'm sorry if you don't have a calculator that can do this, but this will work.
10^-1
1/10
18.057299999999998
10
Yes it represents 9/10
3.1415926535
The numeric value of log(x) is the power you have to raise 10 to in order to get 'x'.
natural log
5 + 5 = 10
Yud (י)
It is ten billion or 10,000,000,000