Answer:
6 days.
Explanation:
Caidens heart rate is 70 beats per minute.
Caidens heart beat 604,800 times in =

= 8,640 minutes
Now convert minutes to days.
in one day = 24 hours and in 1 hour = 60 minutes
so minutes in one day = 60 × 24 = 1440 minutes
Therefore, 8,640 minutes =

= 6 days
It would take 6 days to elapsed 604,800 heartbeat.