If (1/5)^m * (1/4)^2 = 1/((10)^4), then m =  Choose the correct choice from the following options
A) 4  B) 5  C) 6  D) 3  E) 2

Rationale: 1 / 5 ^ m * 1 / 4 ^ 2 = 1 / 2 ^ 4 * 5 ^ 4 2 ^ 4 * 5 ^ 4 / 2 ^ 4 = 5 ^ m or 5 ^ 4 = 5 ^ m therefore m = 4 a
Answer: A