Step-by-step explanation:
[tex]a=0.5[/tex] [tex]c=-0.2[/tex]
[tex]b=-6[/tex] [tex]d=3[/tex]
All we need to do is substitute:-
a) [tex]bc=\left(-6\right)\left(-0.2\right)=\boxed{1.2}[/tex]
b) [tex]d-b=3-\left(-6\right)=\boxed{9}[/tex]
c) [tex]2ab=2\times \:0.5\left(-6\right)=\boxed{-6}[/tex]
d) [tex]ab^2=0.5\left(-6\right)^2=\boxed{18}[/tex]
e) [tex]dc+a=3\left(-0.2\right)+0.5=\boxed{-0.1}[/tex]
f) [tex]\frac{ab}{d} =\frac{0.5\left(-6\right)}{3}=\boxed{-1}[/tex]
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Hope this helps!
