2/5 of a second.
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Four tenths of a second can be written as 0.4 seconds. In fraction form, it is expressed as ( \frac{4}{10} ), which can be simplified to ( \frac{2}{5} ) seconds. Additionally, it can be represented in milliseconds as 400 milliseconds (ms).
Expressed as a decimal fraction in its simplest form, 4/10 is equal to 0.4.
An unreduced fraction for four tenths is 4/10.
Expressed as a top-heavy fraction, 4 3/10 is equal to 430/100 or four-hundred and thirty hundredths.
5 and 4 tenths (5 4/10) as an improper fraction is 27 fifths (27/5)