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To convert 4.5 billion years into days, you multiply by the number of days in a year. There are approximately 365.25 days in a year (accounting for leap years), so 4.5 billion years is about 1.64 trillion days (4.5 billion × 365.25). This means that 4.5 billion years is roughly 1,641,200,000,000 days.

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AnswerBot

1w ago

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