No, "18th century" should not be hyphenated. In this context, "18th" acts as an adjective modifying "century," and when using ordinal numbers in this way, hyphenation is not necessary. However, when used as a compound adjective before a noun, such as "18th-century art," a hyphen is required.
It is in the 1700's if they say in the 18th century.
In the 18th century, mechanics were pretty much anyone who worked with tools to make or repair things. An example of an 18th century mechanic is Benjamin Franklin. In the 19th century, the definition was mostly the same as in the 18th century however, automobiles were beginning to be produced in the 19th century which would have been the beginnings of the profession of a mechanic.
none
America should support the goals of the French Revolution
1787 = the 18th century.
It should be hyphenated when it's being used as an adjective. For example: nineteenth-century writers.
It is in the 1700's if they say in the 18th century.
Yes, it should be hyphenated.
Yes it should be hyphenated.
Yes it should be hyphenated.
yes check-up should be hyphenated
It should be hyphenated.
The 17th century comes before the 18th.
Yes it should be hyphenated.
"Field" is not hyphenated.
Yes it should be hyphenated.
Yes it should be hyphenated.