Question

4×(-45)=; 0:(-89 5/8)=; (3/8):(-1 5/16)=​

Answer 1

$4 \times ( - 45) = - (4 \times 45) = - 180 \\ 0 \div ( - 89 \frac{5}{8} ) = 0 \\ ( \frac{3}{8} ) \div ( - 1 \frac{5}{16} ) = \frac{3}{8} \div ( - \frac{21}{16} ) = - \frac{3}{8} \times \frac{16}{21} = - \frac{2}{7}$