Question

815s= ? hour ? minute? I second​

Answer 1

3600 sec = 1 hour

1 sec = 1/3600 hour

815 sec = 1/3600× 815= 0.815 hour

60 sec = 1 min

1 sec = 1/60 min

815 sec = 1/60 × 815 = 15.5833 Min

815 sec = 815 sec

Hope it will help you

Mark this as the brainliest answer please