"Nano" is a prefix that means "10-9" or 0.000000001 .
One nano-anything is one billionth of it.
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7/10
51/60
1/12
To find the fraction of a minute that is 3 seconds, you need to convert the seconds to minutes. Since there are 60 seconds in a minute, 3 seconds is equal to 3/60 or 1/20 of a minute. Therefore, 3 seconds is equivalent to 1/20 of a minute.
1 _ 60