Respuesta :

1 year = 365 days
50 years = 18250  days
18250 days = 18250 x 24 hours
= 438,000 hours
= 438,000 x 60 minutes
= 26,280,000 minutes
= 26,280,000 x 60 seconds
= 1,576,800,000 seconds

= 1.58 x 10⁹ seconds