1.

\left. \begin{array} { l } { 1.78 \times 10 ^ { - 3 } } \\ { 2.5 \times 10 ^ { - 3 } } \\ { 1.3 \times 10 ^ { 3 } } \\ { 5.7 \times 10 ^ { - 4 } } \end{array} \right.

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