Which of the following expressions correctly converts 3 days into seconds?
3 days×24 days1 hour×60 hours1 minute×60 minutes1 second
3 days×1 day24 hours×1 hour60 minutes×1 minute60 seconds
3 days×24 hours1 day×60 minutes1 hour×60 seconds1 minute
3 days×1 day24 hours×60 minutes1 hour×60 seconds1 minute