Question

Log3 27=3 log0.7 0.49=2

Answer 1

$log_3 27=log_3 3^3=3*log_3 3=3*1=3$

 

$log_{0.7} 0.49=log_{0.7} 0.7^2=2*log_{0.7} 0.7=2*1=2$