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 is 6000 million equal to 6 billion??? how do you know?
How many million equal one billion?
How many days in 85 million years?
150 million kilometers equals to how many light year?
Is300 million the same as 3 billion?
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