Math problem pls help

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?