Question 750161
Solve
a) log(base 3)x = 3
{{{log(3,(x))=3}}}
convert to exponential form: base(3) raised to log of number(3)=number(x)
x=3^3=9
..
b) log(base 5)0.04 = x
{{{log(5,0.04)=x)}}}
base(5) raised to log of number(x)=number(0.04)
5^x=0.04
xlog(5)=log(0.04)
x=log(0.04)/log(5)
x=-2