1. The problem is to approximate the number 0.03467 to 2 significant figures. 2. Identify the first two significant figures in 0.03467. The first significant figure is 3, and the second is 4. 3. Look at the third significant figure to decide whether to round up or down. The third significant figure is 6. 4. Since 6 is greater than 5, we round the second significant figure (4) up to 5. 5. Therefore, 0.03467 rounded to 2 significant figures is 0.035.