Answer:
4 × 0.68 = 2.72
12 × 0.68 = 3 × 2.72 = 8.16
35 × 0.68 = 3 × 8.16 - 0.68 = 23.8
4 × 5.92 = 4 × 6 - 0.32 = 23.68
12 × 5.92 = 12 × 6 - 0.96 = 71.04
35 × 5.92 = 35 × 6 - 2.8 = 207.2
4 × 12.35 = 48 + 1.4 = 49.4
12 × 12.35 = 144 + 4.2 = 148.2
35 × 12.35 = 420 + 12.25 = 432.25
Step-by-step explanation:
basic multiplication...? Ok. That's all.
