Final answer:
To convert 4.07829 to a percent rounded to the nearest tenth of a percent, multiply by 100 and round to one decimal place.
Step-by-step explanation:
To convert 4.07829 to a percent, we multiply by 100. So, 4.07829 * 100 = 407.829. Rounding to the nearest tenth of a percent, we get 407.8%.
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