Question

Evaluate a = log(0.1) and b = ln(e^3)

Answer 1

`log0.1=log(1)/(10)=log10^(-1)=-log10=-1\to a=-1\\\\lne^3=3lne=3\to b=3\\\\Used:\\\\a^(-1)=(1)/(a)\\\ loga^b=b\cdot loga\\\\log_aa=1`