[tex] - 1.1 \times 2.2 = - 1 \frac{1}{10} \times 2 \frac{2}{10} = - \frac{11}{10} x 2 \frac{1}{5} = - \frac{11}{10} \times \frac{11}{5} = - \frac{121}{50} = - 2 \frac{21}{50} = - 2 \frac{42}{100} = - 2.42[/tex]
[tex]3 \frac{17}{21} \times ( - 1) = - 3 \frac{17}{21}[/tex]
[tex]1 \times ( - 141.9) = - 141.9[/tex]
[tex] - 7.035 \times 0 = 0[/tex]
[tex] - 4.02 \times ( - 1.3) = - 4 \frac{2}{100} \times ( - 1 \frac{3}{10} )= - \frac{402}{100} \times ( - \frac{13}{10} ) = \frac{5226}{1000} = 5 \frac{226}{1000} = 5.226[/tex]