Answer
$-\dfrac{2}{11}$
Work Step by Step
Using operation rules on real numbers, then,
\begin{array}{l}
\left( \dfrac{1}{5} \right)\left( -\dfrac{10}{11} \right)
\\\\=
\dfrac{-10}{55}
\\\\=
-\dfrac{2}{11}
.\end{array}
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