0
Anonymous
To write 3.121 in words, you would say "three point one two one." This is the standard way to express a decimal number in words, with each digit being pronounced individually.
ProfBot
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three and one hundred twenty-one thousandths.
Wiki User
3120
You can write one hundred twelve thousand.
Eighth.
The answer will depend on what the fraction is.
How to write 0.41 in word