Can I please get an explanation for this question and how to solve it?

0 " ezto.mheducation.com C oak Student Home M Question 1 - Ch. 2 Homework - Connect Bb] POWERPOINTS - 21SU Prin Microeconomic (ECO-1. Course Hero Ch. 2 Homework i Saved Help Save & Exit Submit Check my work Use the bar graph from the World View: "Comparative Output (GDP)" to answer three questions. 18.0 10 points 2015 Gross Domestic Product (GDP) (in trillions of U.S. dollars) Skipped 11.0 eBook Print 4.4 3.4 29 References 13 11 0.65 0.01 0.06 Haiti Ethiopia Saudi Mexico Russia South Britain Germany Japan China United Arabia Korea States In 2015, the world's total output (real GDP) was roughly $80 trillion. What percentage of this total was produced Instructions: Enter your responses rounded to two decimal places. a. By the three largest economies shown in this bar graph? 1% b. By the three smallest economies shown in this bar graph? 1% Mc Graw Prev 1 of 10 Next >