272
Chapter 12.
e. Use spaces to separate groups of three digits in a decimal fraction. (See rule 12.27.)
- 0.123 456 789; but 0.1234
f. Degrees, etc. (spaces omitted):
- longitude 77°04'06" E.
- 35°30'; 35°30' N.
- a polariscopic test of 85°
- an angle of 57°
- strike N. 16° E.
- dip 47° W. or 47° N. 31° W.
- 25.5' (preferred) also 25'.5
- but
- two degrees of justice; 12 degrees of freedom
- 32d degree Mason
- 150 million degrees Fahrenheit
- 30 Fahrenheit degrees
g. Game scores:
- 1 up (golf)
- 3 to 2 (baseball)
- 7 to 6 (football), etc.
- 2 all (tie)
h. Market quotations:
- 4½ percent bonds
- Treasury bonds sell at 95
- Metropolitan Railroad, 109
- Dow Jones average of 10500.76
- gold is 109
- wheat at 2.30
- sugar, .03; not 0.03
i. Mathematical expressions:
- multiplied by 3
- divided by 6
- a factor of 2
- square root of 4
j. Measurements:
- 7 meters
- about 10 yards
- 8 by 12 inches
- 8- by 12-inch page
- 2 feet by 1 foot 8 inches by 1 foot 3 inches
- 2 by 4 (lumber) (not 2 x 4 or 2×4)
- 1½ miles
- 6 acres
- 9 bushels
- 1 gallon
- 3 ems
- 20/20 (vision)
- 30/30 (rifle)
- 12-gauge shotgun
- 2,500 horsepower
- 15 cubic yards
- 6-pounder
- 80 foot-pounds
- 10s (for yarns and threads)
- fl2.5 (lens aperture)
