2. 外语
  3. 6.47×10-5 =_____

6.47×10-5 =_____

admin2013-02-19  5
问题 6.47×10-5 =_____
选项
答案0.0000647
解析 You are given a negative value for the power to which 10 is raised(-5). This means that you must move the decimal point 5 spaces to the left to get the answer, which is .0000647.
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