If we want to express ourselves using exponents, consider that 1000 years (1×10^3) and 9000 years (9×10^3) would be of the same "degree" of ancestry, while 100,

If we want to express ourselves using exponents, consider that 1000 years (1×10^3) and 9000 years (9×10^3) would be of the same "degree" of ancestry, while 100,000 years (1×10^5) would be of completely different (exponential) significance.