Single words can be constructed that literally signify "write out three times", such as "tri-inscribe", although these appear rarely and usually awkwardly, as well as enigmatically. There is, however, a common phrase that expresses this meaning, namely, "in triplicate".
triplicate
You write something out in triplicate.
Three point zero three four eight one is how you write 3.03481 in word form.
You write 0.00033 in word form as: thirty-three hundred-thousandths.
negative three
triplicate
"triplicate"
3n
six and three tenths, or six point three
You write it "three hundred nine."
3,003.033 in word form is three thousand, three and thirty-three thousandths.
write poke uwords and down words or just write it a thousand times