1/2678400
What fraction of a second is 1 picosecond?
1/1,000,000,000,000 of a second = 1 pico-second however 1/1,000,000,000,000,000,000,000,000 of a second = 1 yacto-second
1/3600
1/86400
To divide a fraction by a second fraction, multiply the first fraction by the reciprocal of the second fraction. For example, 1/2 divided by 5/7 is the same as 1/2 times 7/5.
A nano-second is a fraction of 1 x 10-9 a second.
Suspicion - 1957 Fraction of a Second 1-28 was released on: USA: 21 April 1958
1 nanosecond is 1 billionth of a second. i.e. 1 nanosecond = 10−9 seconds.
59/60
It is: 1/60
1/60 of a minute is a second.
1/60 for a minute 1/(60X60) for a second 1/24 for hour