Let A be the positive integer satisfying the following equation.
9/10
+
99/102th +
999/103rd + · · · +
9999999999/1010th =
A/1010th
How many 8’s appear in the decimal representation of A ? Select
A) 0	B) 1	C) 5	D) 8	E) 9
The sum equals (1- 0.1) + (1- .01) +...+ (1 - .0000000001) = 10 .1111111111 =   9:8888888889. Thus A = 98888888889   correct answer 9
<result>E</result>
Let A be the positive integer satisfying the following equation.
9/10
+
99/102th +
999/103rd + · · · +
9999999999/1010th =
A/1010th
How many 8’s appear in the decimal representation of A ?