If God could have destroyed Egypt with one plague and taken the Jews out of slavery, why were there ten plagues?

Dedicated by Rabbi Refoel and Sharon E. Pearl Auman

in memory of our parents,

Rabbi Leonard and Jean E. Pearl

הרב יהודה ליב ז״ל בן הרב בן-ציון ז״ל

and

טויבע זעלדע ע״ה בת ר׳ זאב ז״ל

and in memory of our son,

Rabbi Shmuel Eliyahu Auman

 הרב שמואל אליהו ז״ל בן הרב רפאל נ״י