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题库 / GMATLA-PS-209
The age of the Earth is approximately ~$1.3\times 10^{17}$~ seconds, and one year is approximately ~$3.2\times 10^{7}$~ seconds. Which of the following is closest to the age of the Earth in years?
~$2.5\times 10^{9}$~
~$4.1\times 10^{9}$~
~$1.9\times 10^{10}$~
~$2.5\times 10^{11}$~
~$4.1\times 10^{11}$~
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