sederhqnakan bilangan berpakat berikut

[tex]( - 12 {a}^{ - 2} {b}^{3} ) \times \frac{ {a}^{5} {b}^{2} }{8} \times ( - 6 {a}^{5} {b}^{4} ) \\ = 3 {a}^{ - 2} {b}^{3} \times \frac{ {a}^{5} {b}^{2} }{2} \times 6 {a}^{5} {b}^{4} \\ = 3 {a}^{ - 2} {b}^{3} {a}^{5} {b}^{2} \times 3 {a}^{5} {b}^{4} \\ = 9 {a}^{8} {b}^{9} [/tex]