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As many as there are useful. The BC indicates the years before the Christian Era. For recorded human history that could go back as far as 8000 to 9000 years BC. Any further could not be very accurate therefore not be very useful.
Answer2:Approximately 4.55 billion years. Just because humans weren't recording it, doesn't mean we can't determine it. Radiometric dating suggests 4.55 billion years since the formation of the Earth. Though this is the time from when the Earth was formed. If you want the total time since the universe was formed, it is approximately 13.75 billion years.
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How many years is it from 321 BC to 272 BC?
49 years
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2450 years
How many years bc was Pythagoras born?
about 569 BC in samos, Ionia
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10,215 years ago.
How many years are there between 30 BC and 30 AD and why?
58 years are between 30 BC and AD 30. The first thing you need to remember is that there is no year 0; the year before AD 1 is 1 BC. So the years between 30 BC and AD 30 are... 29 BC, 28 BC, 27 BC, ..., 2 BC, 1 BC, AD1, AD 2, ..., AD 27, AD 28, AD 29 29 BC through 1 BC is 29 years, and AD 1 through AD 29 is 29 years. 29 years + 29 years = 58 years
How many years were there between3186 BC and 735 BC?
2451 years
How many years is 1550 bc to 1080 bc?
470 years.
How many years is it from 321 BC to 272 BC?
49 years
How many years between 1490 BC to 945 BC?
545 years.
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208 years
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2451 years
How many years were there between 3186 BC 735 BC?
2451 years.
How many years are between 3000 BC and 1100 BC?
1900 years.
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2450 years
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918 years
How many years are between 460 bc-370 bc?
90 years.
How many years were there between BC and BC?
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