R 3 7 July 8, 2019 16 32 64 128 R 3 7320u R 3 729 R 3 75 R$ 3 79 R 3 7 answer R 3 7 4 R /- 3 7 2 R 3 7 isolant R /- 3 7 ≤ 2 R 3 7 10 R 78e3 3 0.5 R 78e3 3 1.0 R 78k3 3 0.5 R 78k3 3 1.0 R 78k3 3 2.0