假设某国外汇汇率以30. 5%的平均速度增长,预计8年之后的外汇汇率大约为现在的多少倍?( )A. 3. 4 B. 4.5 C. 6.8 D. 8.4

作者: tihaiku 人气: - 评论: 0
问题 假设某国外汇汇率以30. 5%的平均速度增长,预计8年之后的外汇汇率大约为现在的多少倍?( )
选项 A. 3. 4 B. 4.5 C. 6.8 D. 8.4
答案 D
解析 (1 + 30.5%)8 = 1.3058≈1.38=(1.32)4=1.694≈1.74=2.892≈2.92=8.41

相关内容:假设,外汇,汇率,增长

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