1)
Only Esther spoke to him. Why did he address also Mordechai?
1.
Vilna Gaon: He did not want to tell her alone, lest she cry when he says that he cannot retract the letters.
2)
She asked to save her nation. Why did he answer that he gave to her Beis Haman and hung him?
1.
Rashi: From now, all see that I desire you, and all that you will say, they will believe that it is from me. Therefore, you need not recall the first letters. Rather, write as you desire.
2.
Malbim: Refer to 8:8:2:2.
