Simplify the following algebraic expression.

a.
[tex]2a(4ab) \times (5abc) \div 2ab[/tex]
b.
[tex] \frac{31p \times 2 {q}^{2} r \times {p}^{4} }{2pqr } [/tex]
c.
[tex]( \frac{2a \times (3 {b}^{3}) \times (4 {ac}^{4}) }{12 {a}^{3} } )[/tex]
d.
[tex] \frac{11 {k}^{3} {l}^{2} {m}^{5} \times ( - 3klm) }{ {k}^{2} {l}^{5}m } [/tex]
e.
[tex] \frac{ \frac{5}{6} {a}^{2}bc }{ \frac{2}{3} {ab}^{3} } [/tex]
Please help me to solve this questions ​