[tex]a) \: \: (-9) \times (- \frac{ 5 }{ 12 } )= \frac{45}{12} = \frac{15}{4} = 3 \frac{3}{4} [/tex]
[tex]b) \: \: -2.05 \times 0= 0[/tex]
[tex]c) \: \: 2 \frac{ 3 }{ 5 } \times (-7 \frac{ 1 }{ 2 } )= \frac{13}{5} \times \left(-\frac{15}{2}\right) = \frac{-195}{10} = -\frac{39}{2} = 19 \frac{1}{2} [/tex]
[tex]d) \: \: -5.25 \times 4 \frac{ 1 }{ 2 } = -\frac{21}{4}\times \left(\frac{9}{2}\right) = - \frac{189}{8} = 23 \frac{5}{8}[/tex]
[tex]e) \: \: -5 \frac{ 3 }{ 5 } \times 15=-\frac{28}{5}\times 15 = \frac{-420}{5} = -84 [/tex]
[tex]f) \: \: 0 \times (-5 \frac{ 27 }{ 40 } )=0[/tex]
[tex]g) \: \: \frac{ 3 }{ 8 } \div (- \frac{ 5 }{ 12 } )=\frac{3}{8} \times \left(-\frac{12}{5}\right) = \frac{-36}{40} = -\frac{9}{10} [/tex]
[tex]h) \: \: -3.035 \div (-0.05)=\frac{-3035}{-50} = \frac{607}{10} = 60 \frac{7}{10} [/tex]
[tex]i) \: \: -3 \frac{ 1 }{ 2 } \div (-1 \frac{ 1 }{ 2 } )=\frac{-\frac{7}{2}}{-\frac{3}{2}} = -\frac{7}{2} \times \left(-\frac{2}{3}\right) = \frac{14}{6} = \frac{7}{3} = 2 \frac{1}{3} [/tex]
