$$3^{-2}\times(-5)^{-2}$$
$\frac{1}{225}\approx 0.004444444$
$$\frac{1}{9}\left(-5\right)^{-2}$$
$$\frac{1}{9}\times \frac{1}{25}$$
$$\frac{1}{225}$$
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$\frac{1}{3 ^ {2} \cdot 5 ^ {2}} = 0.0044444444444444444$
