$$( \frac{ 9 }{ 10 } ) \times (- \frac{ 12 }{ 9 } ) \times ( \frac{ 18 }{ 5 } )$$
$-\frac{108}{25}=-4.32$
$$\frac{9}{10}\left(-\frac{4}{3}\right)\times \frac{18}{5}$$
$$\frac{9\left(-4\right)}{10\times 3}\times \frac{18}{5}$$
$$\frac{-36}{30}\times \frac{18}{5}$$
$$-\frac{6}{5}\times \frac{18}{5}$$
$$\frac{-6\times 18}{5\times 5}$$
$$\frac{-108}{25}$$
$$-\frac{108}{25}$$
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$-\frac{108}{25} = -4\frac{8}{25} = -4.32$
