Tolong dibantu ya terima kasih...

1. -p(-p^-2)^-3 = -p.1/(-p^-2)3
=-p/-p^-6 = -p^7

2.{(4/9).(9/16) }- {3/8 x 8/5} = 4/16 - 3/5 = -7/20 = -0.35