Answer
$\approx 0.016$
Work Step by Step
$g\left( x\right) =\left( \dfrac {1}{4}\right) ^{x}\Rightarrow g\left( 3\right) =\left( \dfrac {1}{4}\right) ^{3}=\dfrac {1}{64}=0.015625\approx 0.016$
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