Answer:
1. 1/125
2. 1/9
3.
[tex] \frac{14}{ {y}^{3} } [/tex]
4.
[tex]20 {d}^{4} {n}^{10} [/tex]
5.
[tex]16 {d}^{8} {c}^{8} [/tex]
you may check the attachment for the solution. hope it helps!
