Express the equation in logarithmic form:

(a) $4^2 = 16$ is equivalent to $\log_4 A=B$.

$A=$

and

$B=$

(b) $10^{-4} = 0.0001$ is equivalent to $\log_{10} C = D$.

$C=$

and

$D=$

(c) $4^{-3/2} = 0.125$ is equivalent to $\log_{4} E = F$.

$E=$

and

$F=$