If the digits 31 in the decimal 0.00031 repeat indefinitely, what is the value of (10^5-10^3)(0.00031)? Select
A) 31  B) 0.31  C) 0.0031  D) 0.00031  E) 3.1 e - 05

Rationale: "99 * 0.31 = 30.69 approx . 31 answer : a"
Answer: A