In the number 1.4ab5, a and b represent single positive digits. If x = 1.4ab5, what is the value of 10 - x? (1) If x is rounded to the nearest hundredth, then 10 - x = 8.56. (2) If x is rounded to the nearest thousandth, then 10 - x = 8.564. 1) INSUFFICIENT: This tells us that x rounded to the neare...