Learning Task 2: Arrange in column and add the following decimal num- bers. Write your answer in your notebook. 1. 0.008 + 0.02 + 0.0087 + 0.39 + 0.3661 2. 0.0053 + 0.71 + 0.09 + 0.015 + 0.173 3. 0.007 + 0.3531 - 0.126 + 0.15 - 0.08 4. 0.0785 + 0.0662​