Plz help :( what is 10,000,000(20)^10 !?

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Select a graph that have an equation with a < 0

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x