How many years are in between these times? 1800b.c- 900a.d, 1300-1512, and 1230-1525?

Question

Please and thank you!

Answer 1

1,800 BC-900 AD=2,700 years. (just add BC to AD)
Actually, it could be 2,699 years because there isn't a 0 AD or BC and it just goes from 1 BC to 1 AD.

1300-1512= 212 years (is this a trick question? This is for if both are AD--subtract the smallest from the largest)

1230-1525=295 years

Answer 2

Many