题目信息
Last year members of a certain professional organization for teachers consisted of teachers from 49 different school districts, with an average (arithmetic mean) of 9.8 schools per district. Last year the average number of teachers at these schools who were members of the organization was 22. Which of the following is closest to the total number of members of the organization last year?
A:$$10^{7}$$
B:$$10^{6}$$
C:$$10^{5}$$
D:$$10^{4}$$
E:$$10^{3}$$
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正确答案：
D:$$10^{4}$$
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