A file that is 281 megabytes is being downloaded. If the download is 13.8% complete, how many megabytes have been downloaded? Round your answer to the nearest tenth.
To find the number of megabytes that have been downloaded, we need to multiply the total file size by the completion percentage:
281 megabytes * 13.8% = 38.778 megabytes
Rounded to the nearest tenth, 38.778 is approximately 38.8 megabytes have been downloaded. Answer: \boxed{38.8}.