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It depends on the context.
Numbers are usually written in brackets to
- change the order of mathematical operations, for example, (2+3)*5 = 5*5 = 25 while 2+3*5 = 2+15 = 17
- to indicate functional dependencies eg p = f(x, y) to show that p is a function of x and y
- represent membership of a set, eg {1,3,5,...} for the set of positive odd integers.
Text is usually written in brackets to add further details that may not be essential to the main part of the text.
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What does the question mark inside brackets mean?
The text in the brackets must be a question.
What are parentheses or brackets?
Brackets are punctuation marks used in pairs to set apart or interject text within other text. In the United States, "bracket" sometimes refers specifically to the square or box type.There are four main types of brackets:round brackets, open brackets or parentheses: ( )square brackets, closed brackets or box brackets: [ ]curly brackets, squiggly brackets, swirly brackets, braces, or chicken lips: { }angle brackets, diamond brackets, cone brackets or chevrons: < > or ⟨ ⟩
What is the correct usage of square brackets?
Square brackets are used for citations in formal pieces of text. Instead of using normal brackets, the square brackets signal something that has been added in after publishing.
Are neg numbers always in brackets?
No, not always.
What do you use when writing the domain of real numbers brackets or squares?
When writing a range of numbers, square brackets are used to indicate the end number is included and round brackets are used to indicate the end number is excluded.examples:[1, 4] = all numbers ≥ 1 and ≤ 4(1, 4] = all numbers > 1 and ≤ 4[1, 4) = all numbers ≥ 1 and < 4(1, 4) = all numbers > 1 and < 4
