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简答题 GRE

2012-10-13

回答题。
Fifty thousand grams of chemical X are equally distributed among 20 containers．How many grams of chemical X are in each container?

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答案解析

B．When 50，000 is divided by 20，the result is 2，500．This is 2．5 χ1，000，which is 2．5χ 103 in scientific notation．

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