$${ 2 }^{ -1 } \times { 3 }^{ -2 } \times { 4 }^{ 0 }$$
$\frac{1}{18}\approx 0.055555556$
$$\frac{1}{2}\times 3^{-2}\times 4^{0}$$
$$\frac{1}{2}\times \frac{1}{9}\times 4^{0}$$
$$\frac{1}{18}\times 4^{0}$$
$$\frac{1}{18}\times 1$$
$$\frac{1}{18}$$
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$\frac{1}{2 \cdot 3 ^ {2}} = 0.05555555555555555$
