power 4dTo find the effective power of a combination of a convex lens and a concave lens, we can follow these steps: 1. Identify the Powers of the Lenses : - The power of the convex lens (P1) is givenReal time live 4D draw results (Keputusan 4D) - Magnum 4D, Sports Toto 4D, Da Ma Cai, Sabah 88 Lotto 4D, Sarawak Special Cash Sweep 4D, ... Toto 6D, Star Toto 650, Power Toto 655,