Do you use a dash or hyphen with numbers?

Hyphens are used to separate groups of numbers, such as in telephone numbers or numbers of financial accounts. But for almost all other cases, the correct punctuation mark is an en dash, which indicates a range or a difference. A span of years (such as “2009–2012”) or any other time range includes an en dash.

How do you use a hyphen in numbers?

When numbers are used as the first part of a compound adjective, use a hyphen to connect them to the noun that follows them. This way, the reader knows that both words function like a unit to modify another noun. This applies whether the number is written in words or in digits.

What is the difference between Hypen and dash?

A hyphen joins two or more words together while a dash separates words into parenthetical statements. The two are sometimes confused because they look so similar, but their usage is different. Hyphens are not separated by spaces, while a dash has a space on either side.

Should 24 Hour be hyphenated?

Compound Numbers that are below one hundred and made up of two words require hyphenation. Compound adjectives used before a noun are hyphenated as well, requiring “24” and “hour” to be hyphenated in “24-hour shift”. So only example 3, “I am doing a twenty-four-hour shift tonight” is correctly hyphenated.

Does four thirty have a hyphen?

When numbers between 21 and 99 are written out in full one hundred and thirty-four (Note that only ‘thirty-four’ is hyphenated.)

Should 12 month be hyphenated?

Hyphenate Numerals with Units of Time before Nouns Like spelled-out numbers, hyphenate numerals with units of time that appear directly before the nouns they are describing. A 45-day drought damaged the soybean crops. The student bought a new 12-month desk calendar.

Are hyphens parentheses?

Dashes interrupt your writing to insert an interjection or pause, while parentheses gently add information to your point. A word of caution: although parentheses can be used throughout all writing genres, dashes are rarely used in formal academic research.

How do you use a dash instead of a comma?

Using a dash in place of a comma Em dashes can be used in pairs to replace commas when writing a parenthetical or interruptive phrase. The dashes have a slightly more emphatic feel, making the reader focus on the information that is set inside the special marks.

How do you use a hyphen en dash and em dash?

The shorter en dash (–) is used to mark ranges and with the meaning “to” in phrases like “Dover–Calais crossing.” The longer em dash (—) is used to separate extra information or mark a break in a sentence.

Is an em dash a hyphen?

Both types of dashes are frequently confused for each other and another type of punctuation: the hyphen (-). The en dash and em dash get their names from their approximate length: The en dash is shorter, about the width of the letter N, and the em dash is longer, about the width of the letter M.

Is 7 days a week hyphenated?

Or should it just be 24 hours a day, seven days a week? No hyphens are necessary in those constructions.

What is the difference between a hyphen and a dash?

Hyphens are used when spelling numbers or fractions in full. Hyphens are also used in serial numbers. Dashes are used in ranges, such as date ranges.

What is the difference between parentheses and dash in writing?

Oh, the dash. Unlike parentheses, the dash is quite popular in news writing—in all types of writing, really. The dash comes in two distinct varieties: the em dash and the en dash. The em dash is about as wide as the letter M, while the slightly shorter en dash is about as wide as an N.

What is the difference between EM and en dashes?

(1) To show ranges . These are en dashes (the same length as a lowercase “n”). They are shorter than em dashes (the same length as uppercase “M”).

What numbers have a hyphen in them?

Hyphens in Numbers. Hyphens are used in numbers: (1) When writing numbers in full. two hundred thirty-two. ninety-six. Note: Hyphenate all numbers between 21 and 99 (less those ending 0, e.g., 50, 60). (2) When writing fractions in full . one-third. two-thirds.