Answer:
The growth rate of the U.S economy in 2011 was 5.65%
Step-by-step explanation:
This is a simple calculation
We use this formula to calculate percent changes from one period to another:
% change =
We have that the GDP for 2010 was $11,150 billion and the GDP in 2011 was $11,780 billions we then apply the formula:
% change =
% change =

This means that the growth rate of the U.S economy in 2011 was 5.65%