Verified answer

[tex]\displaystyle 1)-\frac{15}{24}*(-(-1,2))=-\frac{15}{24}*1,2=-\frac{15}{24}*\frac{6}{5}=-\frac{3}{4}=-0,75\\ \\2)-3\frac{1}{9}(-\frac{3}{14})(-\frac{3}{5})=-\frac{28}{9}(-\frac{3}{14})(-\frac{3}{5})=-\frac{2}{3}*\frac{3}{5}=-2*\frac{1}{5}=-\frac{2}{5}=-0,4\\ \\3) (-1,01)(-6,3)=1,01*6,3=6,363[/tex]