Help need right now.

Answer:
1.81,243
2.16,20
3.1,-1
4.7/5,9/5
5.hindi ko lng po alam ung 5
Answer:
1.3- 9 - 27 - 81 - 243
2.4 - 8 - 12 - 16 - 20
3.7 - 5- 3- 1- -1
4.⅕ - ⅗ - 5/5 - 7-5 - 9/5
5.a - 2D - 3G - 4J - 5M - 6P