Question

86,400 seconds into day​

Answer 1

60×60×24=86,400

Step-by-step explanation:

i.e. 86,400 secs is 1 day

Answer 2

1 hour = 60 minutes

1 minute = 60 seconds

1 day = 24 hours

60 min. × 60 sec. × 24 hr.

60 × 60 × 24 = 86,400 seconds

∴ 86,400 seconds = 1 day