Why 30 is a round tens word
30 has a tens digit but no ones digit. English writes this kind of number with a single tens word, so the result is thirty.
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30 in words is thirty.
| Style | Words |
|---|---|
| American English | thirty |
| British English | thirty |
30 has a tens digit but no ones digit. English writes this kind of number with a single tens word, so the result is thirty.