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Numbers :

If your writing contains numbers, the general rule is to spell out in letters all the numbers from zero to nine and use numerals for larger numbers; but there are exceptions.

If what you’re writing is full of numbers and you’re doing math with them, stick with numerals.

Approximations like “about thirty days ago” and catch-phrases like “his first thousand days” are spelled out. Large round numbers are often rendered thus:

“50 billion sold.”

With measurements, use numerals:

“4 inches long.”

Never start a sentence with a numeral.

Either spell out the number involved or rearrange the sentence to move the number to a later position.

Common Errors | Numbersto HOME PAGE

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