Answer:
480 BC
Explanation:
BC is the number is years before counting years began. Basically, it is just like a negative number, where the smaller the number after the negative sign, the larger it is. For example, -4 is more than -6. To solve this, we take away 2500 from 2020.
2500 - 2020 = -480
480 BC (480 Years before Counting)
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