Question

Como calculo o logx 0,25 =-1 ????

Answer 1

$x^{-1}=0,25\\\frac{1}{x}=\frac{25}{100}\\\\x=\frac{100}{25}=\frac{5.4.5}{5.5}=4$

Answer 2

x^(-1) = 0,25
1/x = 25/100
25x=100
x= 100/25
x=4