Answer:
imaginary
Explanation:
The imaginary symbol in this expression indicates that the expression is imaginary and does not have a real solution.
1.Charlemagne crowned Holy Roman emperor, 800 CE
2.Chinese issue the first paper money, 1024 CE
3.The wheel is used in Mesopotamia, 3500 BCE
<u><em>4. Year 1 CE</em></u>
Answer:
The nation has changed in many positive ways since President Lincoln’s last inauguration.
Explanation: