chemistry
posted by Amy .
16 years = ? seconds

60 seconds in one minute
60 minutes in one hour
24 hours in one day
365 days in one year (for 3 of 4 years)
366 days in one year (for 1 of 4 years)
Multiply.
Hint: multiply 12 years times 365 and 4 years by 366.
If you post your answer, we'll be glad to check it for you. 
or you can check it on google, put this in your search window:
16 years in seconds