What is the remainder if 7^12 is divided by 100?  Pick one:
A) 1  B) 2  C) 3  D) 4  E) 5

Rationale: 7 ^ 16 can be written as ( 7 ^ 4 ) ^ 3 if we divide 7 ^ 4 by 100 the reminder is 1 so , ( 7 ^ 4 ) ^ 3 by 100 , the reminder is 1 ^ 3 = 1 answer : a
Answer: A