a) [tex] (-\frac{3}{32})*(- \frac{8}{9})*(- \frac{27}{9})=- \frac{1}{4}* \frac{1}{3}*3=- \frac{1}{4} [/tex]
b) [tex](- \frac{25}{18})* \frac{49}{10}*(- \frac{4}{35})= \frac{5}{9}* \frac{7}{2}* \frac{2}{5}= \frac{1}{9}*7= \frac{7}{9} [/tex]
c) [tex](-5)*7*(- \frac{3}{5})=7*3=21 [/tex]
d) [tex](- \frac{7}{9})*(-1)* \frac{5}{7}*3= \frac{1}{3}*5= \frac{5}{3} [/tex]
e) [tex](- \frac{1}{4})*8*(-1)*6*(- \frac{1}{12})=-2* \frac{1}{2}=-1 [/tex]
f) [tex] \frac{7}{3}*(- \frac{19}{36})*(- \frac{15}{14})= \frac{19}{36}* \frac{5}{2}= \frac{19*5}{36*2}= \frac{95}{72} [/tex]
g) [tex](-2.5)*7.3*(-4)=2.5*7.3*4=10*7.3=73[/tex]
h) [tex](-2* \frac{1}{4})*(-3* \frac{1}{5})*10=(- \frac{1}{2})*(- \frac{3}{5})*10= \frac{3}{5}*5=3 [/tex]
i) [tex] \frac{-4}{33}* \frac{27}{8}* \frac{-11}{-9}= \frac{1}{3}* \frac{3}{2}= \frac{1}{2} [/tex]
j) [tex] \frac{-3}{4}*0.2* \frac{1}{-3}*12= \frac{-3}{4}* \frac{1}{5} * \frac{1}{-3}*12= \frac{1}{5}*3= \frac{3}{5} [/tex]
k) [tex](- \frac{9}{11})*0.99* \frac{50}{-3}=(- \frac{9}{11})* \frac{99}{100} * \frac{50}{-3}=3* \frac{9}{2}= \frac{27}{2} [/tex]
