1/(5x10^2)+(2x10^3)
If "(5x10^2)+(2x10^3) is the denominator
= 1/(500 + 2000)
= 1/2500 or 0.0004
If this --> (1/(5x10^2)) + (2x10^3) is what you meant: = (1/500) + 2000
= \(2000\frac{1}{500}\) or 2000.002
+592 
