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To subtract these two numbers, we need to have them in the same form.
In scientific notation, 3.2 x 10^4 can be written as 32,000 (moving the decimal point four places to the right), and 2.56 x 10^-2 can be written as 0.0256 (moving the decimal point two places to the left).
Now we can subtract:
32,000 - 0.0256 = 31,999.9744