All that you have to do is simplify. The answer is 4.5(10^4) which is equivalent to 45,000.
Step-by-step:
4.5 * 10^4 -> 10^4 = 10*10*10*10 -> 10^4 * 4.5 = 4.5(10^4)
Step 1: Simplify. (Figure out the equation.) 4.5*10*10*10*10 =
Step 2: Solve the equation. 4.5*10*10*10*10 = 45,000 {4.5(10^4)
I promise, it's not as hard as it looks.