A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was 430,000 and there were about 9.2 x 10 to the seventh power families. Calculate the total family net worth in Country A in 2000. Country A's total net worth is ___ dollars?

(Use scientific notation. Use the multiplication symbol in the math palette as needed. Round to the nearest tenth as needed.)

4.3E5 x 9.2E7 = 3.96E13 which I would round to 4.0E13 since you are allowed only two significant figures.