3.2 x 10^4 - 1,845.19

To subtract 1,845.19 from 3.2 x 10^4, first convert 3.2 x 10^4 to decimal form:

3.2 x 10^4 = 32,000

Now subtract 1,845.19 from 32,000:
32,000 - 1,845.19 = 30,154.81