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[Problem Solving]
试题详情
题目：
The age of the Earth is approximately 
seconds, and one year is approximately 
seconds. Which of the following is closest to the age of the Earth in years?
seconds, and one year is approximately seconds. Which of the following is closest to the age of the Earth in years?选项:
A、
B、
C、
D、
E、
答案:
B
提问：
每次遇到科学计数法的题都不知道怎么做，想问问老师思路是什么。
解答：
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提问：
每次遇到科学计数法的题都不知道怎么做，想问问老师思路是什么。
解答：
点赞0
阅读893
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