1. The problem statement, all variables and given/known data Solve the following inequality and express the solution set in interval notation. 3. The attempt at a solution I got most of the answer right, except the lower interval. the answer is: ( ??? , 4 ) the question is find the ??? it is a negative number like -4x10^8, and I have narrowed it down to somewhere around -3.98558x10^8, but whata ****, how the hell m I supposed to get EXACT number???