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## Numbers

### Use numerals for decimals and put a zero (0) in front of the decimal point if there isn't a number in front of it.

### Use numerals for measurements and when using symbols, such as %, #, $

### Always write out ordinal numbers.

How to write numbers

- Write out numbers one to twelve and numbers that begin sentences.
- Use numerals for 13 to infinity.
- Use numerals for comparing numbers: 3 is less than 4.

- 0.3221
- 3.1428
- 223.000988

- 3 cups, 45 gallons, 22.2 acres
- 10 meters, 1500 kilometers, 3 gigabytes
- $56.22, 25%, 5#

- 12th = no, twelfth = yes
- 1st = no, first = yes
- 7th = no, seventh = yes