Answer:
1,775,000,000
Step-by-step explanation:
Country A produces 1,528,000,000 barrels less of crude oil as compared to country B.
Country A produced 247,000,000 barrels in the year of 2009.
To find the amount produced by country b, add 1,528,000,000 with 247,000,000.
1,528,000,000 + 247,000,000 = 1,775,000,000
1,775,000,000 is your answer, or if you want, the answer can also be:
1.775 * [tex]10^{9}[/tex]
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