Attempts were made to calculate Earth's age from the thickness of surviving sedimentary rock and from the current level of the oceans' salinity.

人们曾试图根据现存沉积岩的厚度和目前海洋的盐度水平来计算地球的年龄。

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Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of, say, a carpet by area.

哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人虽然已经学习了像代数这样的高等数学，但却无法按面积计算出一块地毯的价格。

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Such courses, Hacker argues, are a remedy for the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of a carpet by area.

哈克认为，这样的课程可以弥补成年人在数字方面的盲点，这些人已经完成了像代数这样的高级数学，但却无法按面积计算出一块地毯的价格。

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So that leaves us with the data having some limited relevance to the uninsured, and for nonprofit hospitals in order to calculate their level of community benefit.

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Before Facebook, it was impossible to calculate with this level of accuracy, or to provide recommendations to users on which way the should steer their education or career.

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Thanks to Form PF, the burden of building the technology infrastructure to calculate and format aggregated fund-level security, market and sector exposures, and other non-financial risks, has been addressed by fund administrators.

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