Question

5/7×(-2 5/8)×(-3/5)×(-0,8)

Answer 1

$\frac{5}{7} \times ( - 2 \frac{5}{8} ) \times ( - \frac{3}{5} ) \times ( - 0.8) = - \frac{5 \times 21 \times 3 \times 4}{7 \times 8 \times 5 \times 5} = - \frac{1 \times 3 \times 3 \times 1}{1 \times 2 \times 1 \times 5} = - \frac{9}{10} = - 0.9$