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[tex] - 2 \times ( - 44) = 2 \times 44 = 88 \\ - 0.8 \times ( - 5) = 0.8 \times 5 = 4 \\ - 20 \times ( - 39) = 20 \times 39 = 780 \\ - \frac{6}{7} \times ( - \frac{7}{18} ) = \frac{6 \times 7}{7 \times 18} = \frac{1}{3} [/tex]