Logarithms - how to calculate logarithms of fractions and decimals - Tutorial 3

Logarithms of fractions and decimals, that are less than 1, are calculated by writing the logarithm in its exponential form and by using negative exponents. The method is clearly explained and illustrated using three detailed examples.

[aryamansarda]

Hi sir, what about when the numerator is not 1?

[sayanghosh]

THIS IS NOT WHAT PEOPLE ARE SEARCHING FOR, WE WANT TO KNOW HOW TO CALCULATE THINGS LIKE ln(1/5) etc

[veronaademaj]

Pleasee tell me how to find log10^1.8
And
Log10^-9

[aleksszukovskis]

I needed calculation not algebration but thanks anyway