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(31A) Logarithms in base a

Evaluate.

$6^3$

Evaluate.

$\log _{3}9=$

Evaluate. Give your answers as fractions.

$3^{-3}$

Evaluate.

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

Evaluate. Give your answers as fractions.

$256^{-\frac{1}{4}}$

Evaluate. Give your answers as fractions.

$\log_{81}9$