Yoong Liat wrote: |
Should 7 o'clock be written as seven o'clock or are both fine? I don't think I'd combine the two: either seven o'clock or 7:00 a.m./p.m.
By the way, if I remember correctly, the numbers 1 to 10 should be written in digits, while any number above 10 should be written in words. Am I correct? I think it's more a question of # of words. One or two words, spell. More than that, use the digits.
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t
wo hundred or 200
three thousand or 3000
520 (not five hundred twenty)
30 million probably better than 30,000,000
No hard and set rule, that I know of.