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(31A) Logarithms in base a

Evaluate.

$4^4$

Evaluate.

$\log _{6}6=$

Evaluate. Give your answers as fractions.

$3^{-4}$

Evaluate.

$\log _{5}\frac{1}{25}=$

Evaluate. Give your answers as fractions.

$625^{\frac{1}{4}}$

Evaluate. Give your answers as fractions.

$\log_{216}\frac{1}{6}$