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5.4.1 Use figures for physical quantities—distances, lengths, areas, volumes, pressures, and so on.
EXAMPLES
| 17 inches | 12 picas |
| 1,700 square feet | 220 volts |
| 3.2 liters | 5 cubic yards |
5.4.2 Use figures with symbols or abbreviations.
EXAMPLES
| 90° | latitude 39°20’ N |
| 55 MPH | 32 psi |
| 35mm film | 4" x 4" |