Question

ecuaciones logaritmicas

log4x=-3

 

Answer 1

$<var>\\si\ es\ \log4x:\\ \log4x=-3\\ 10^{-3}=4x\\ 4x=\frac{1}{1000}\\ x=\frac{1}{4000}\\\\ si\ es\ \log_4x:\\ \log_4x=-3\\ 4^{-3}=x\\ x=\frac{1}{64}</var>$

Answer 2

log4x=-3

4x=10^-3

x=(10^-3)/4

x=1/4000