In general, spell out whole numbers below 20 and use figures for 20 and above.
Example: There were eighteen players on the team.
Example: We had 24 applications for the job.
In a series there will often be a mixture.
Example: There are 27 trees: two beeches, one pine, and 24 maples.
When starting a sentence with a number, write it out in long form.
Example: Three years ago she began studying music; she completed her studies in 26 months.
Phase One or Phase 1:
Either one is correct, just be consistent.
Either way is correct, just be consistent.
Example: $1.5M in new infrastructure funding was received from the provincial government.
Example: $1.5 million in new infrastructure funding was received from the provincial government.
Use dashes not periods. Preferred use is with brackets.
Example: (807) 343-8177