Write in Exponential Form log of 0.0001=-4

$\log (0.0001) = - 4$

For logarithmic equations, $\log_{b} (x) = y$ is equivalent to $b^{y} = x$ such that $x > 0$ , $b > 0$ , and $b \neq 1$ . In this case, $b = 10$ , $x = 0.0001$ , and $y = - 4$ .

$b = 10$