Why does a million seconds equal to 12 days but a billion seconds equals 31 years?
Comments on "Why does a million seconds equal to 12 days but a billion seconds equals 31 years?"
How many million equal one billion?
How is 6000 million equal to 6 billion??? how do you know?
How many days in 85 million years?
How to convert million in billion?
Is300 million the same as 3 billion?
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