Question

Convert
4hr 25 min time into s.I units
​

Answer 1

Answer:

4×60mints×60sec + 25mints ×60secs = 15,900secs

Answer 2

SI unit of sound = second

1 min = 60 seconds

Then, 25 min = 25 × 60 seconds = 1500 seconds

1 hour = 3600 seconds

Then, 4 hour = 4 × 3600 = 14400 seconds

Then 4hr 25 min = 14400 + 1500 = 15,900 seconds

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