-1 3/8, -1.3, -2/5, 0.06, 3/5, 0.66, 7/10
Answer:
In the hierarchical model, the basic logical structure is represented as an upside-down tree.
This is so because the structure starts at the top with groups or levels of higher hierarchy and these are further subdivided into groups of lower hierarchy, which is why the structure becomes wider as you move from top to bottom.
4 1/2 is how you simplify
