Tolong Di Jawab Menggunakan Jalan :))

[tex]a. \: (2{p}^{ - 2} {q}^{ - 3} ) \times ( - 6p {q}^{2} )^{2} \\ = (2{p}^{ - 2} {q}^{ - 3} ) \times ( - 6^{2} {p}^{2} {q}^{4} ) \\ = (2{p}^{ - 2} {q}^{ - 3} ) \: \times (36 {p}^{2} {q}^{4} ) \\ = 72q[/tex]