Question

log 1000 na base 0,1

Answer 1

$\log_{0,1}1000=x \\ \\ 0,1^x=1000 \\ \\ ( \frac{1}{10} )^x=10^3 \\ \\ 10^{-x}=10^3 \\ \\ -x=3 \\ \\ x=-3$

Answer 2

Vejamos:

Log 1000 = x
0,1

0,1^x = 1000
10^-1x = 10^3
-x = 3 (-1)
x = -3