Programme For International Student Assessment Pisa / Sample Math Passage 9: Space Flight


Space station Mir remained in orbit for 15 years and circled Earth some 86 500 times during its time  in space. 

The longest stay of one cosmonaut in the Mir was around 680 days. 



Approximately how many times did this cosmonaut fly around Earth?

11 000
1 100
110 000
110

 
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