Answer:
see below for explanation:-
Step-by-step explanation:
[tex]\displaystyle{3.2(b \div2) }[/tex]
- b=[tex]\displaystyle{ \frac{1}{2} }[/tex]
[tex]\displaystyle{3.2( \frac{1}{2} \times \frac{1}{2}) }[/tex]
[tex]\displaystyle{ 3.2( \frac{1}{4}) }[/tex]
[tex]\displaystyle{ 3.2 \times 4 }[/tex]
[tex]12.8[/tex]
