Whenever you find 13.8 of something in front of you and you take
one away from the pile, there are always 12.8 of them left.
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2 minutes and 18 seconds or 2.3 minutes.
The answer depends on 138 WHAT! Seconds, days, years? And since you have not bothered to share that crucial bit of information, I cannot provide a more useful answer.
That's 138/9 hours.
There are 1000 milliseconds in one second.Ans. - There are 100 mini seconds in one second.. Mini seconds are known to people as centi seconds.
Seconds. A nanosecond is a billionth of a second, or 10-9 seconds.