shailaryans shailaryans 29-11-2017 Mathematics contestada How many seconds are in a day? Use the conversion equivalency 24 hours = 1 day, 60 minutes = 1 hour, 60 seconds = 1 minute a. 8640 seconds in one day b. 1440 seconds in one day c. 1200 seconds in one day d. 86,400 seconds in one day