Question

Pls ans it fast...



I will mark you as brainliest...​

Answer 1

Dear Student,

1 minute=60 sec1 hour=60 minSo, 1 hour=60×60=3600 sec24 hour or 1 day=24×3600 sec356 days or 1 year=365×24×3600 sec12 years=12×365×24×3600 sec .....[I am not assuming any leap year]90 days or 3 months=90×24×3600 secSo, 12 years and 3 months=(12×365×24×3600)+(90×24×3600)12 years and 3 months=378432000+777600012 years and 3 months=386208000 seconds

If want easy method

12 years 3 months = 12 × 365 + 3 × 30 = 4470 days = 4470 × 24 × 60 × 60 s = 386208000 s