Mathematics, 08.10.2021 14:00, mikeeway33

According to modern science, Earth is about 4.5 billion years old and written human history extends back about 10,000 years. Suppose you represent the entire history of Earth by 12 hours on a clock, with the birth of the Earth at the stroke of midnight and today at the stroke of noon. a. How much time on the clock represents 500 million years?
b. How long before noon does written human history begin?

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According to modern science, Earth is about 4.5 billion years old and written human history extends...