What is the remainder when 8^1 + 8^2 + 8^3 +...+ 8^9 is divided by 2?  Select the correct option
A) 4  B) 3  C) 2  D) None of the above  E) 5
Notice that in the brackets we have the sum of 9 even multiples of 2, which yields remainder of 0 upon division by 2.   Answer : None of the above
<result>D</result>
What is the remainder when 8^1 + 8^2 + 8^3 +...+ 8^9 is divided by 2?