# Question: What Is A Backwards U In Math?

## What is the backwards U symbol?

letter μIt stands for microgram as a part of the metric system.

The “reverse u” is the Greek letter μ, which is the lowercase ‘m’.

It is 1 millionth of a gram.

If you can’t type the letter μ or are using something where it is otherwise unavailable, it’s recommended that mcg be used instead..

## What is * mean in texting?

Asterisk. Meaning: You’re afraid the person isn’t as cool as you. The main reason people use asterisks in a text is to censor a word, for example: “I like deep-fried sandwiches so my friends call me the C*** of Monte Cristo.

## What is this math symbol called?

Basic math symbolsSymbolSymbol NameMeaning / definition±minus – plusboth minus and plus operations*asteriskmultiplication×times signmultiplication⋅multiplication dotmultiplication28 more rows

## What does the U and upside down U mean in statistics?

Union and Intersection There is also “Intersection” which means “has to be in both”. Think “where do they overlap?”. The Intersection symbol is an upside down “U” like this: ∩

## How is μ pronounced?

(The letter’s names) The correct spelling is ‘M’. The classical pronunciation is ‘mu’, the modern one is ‘mi’.

## What do we call this symbol?

Asterisk: (sign/symbol) The ‘ * ‘ sign/symbol is sometimes called a ‘splat’ or ‘star’. But neither of these names are commonly used.

## What are these called in English?

There are 14 punctuation marks that are commonly used in English grammar. They are the period, question mark, exclamation point, comma, semicolon, colon, dash, hyphen, parentheses, brackets, braces, apostrophe, quotation marks, and ellipsis.

## How is it called or what is it called?

In the sentence “What is this called in English?” the speaker is looking for the name of something to be substituted for the pronoun what. The speaker needs a noun or noun construction to identify the thing that the word what refers to: … In contrast, “How is it called in English?” does not make sense.

## What does the 3 equal sign mean?

A symbol with three horizontal line segments ( ) resembling the equals sign is used to denote both equality by definition (e.g., means is defined to be equal to ) and congruence (e.g., means 13 divided by 12 leaves a remainder of 1–a fact known to all readers of analog clocks).

## What are the 7 unsolved math problems?

Of the original seven Millennium Prize Problems set by the Clay Mathematics Institute in 2000, six have yet to be solved as of July, 2020:P versus NP.Hodge conjecture.Riemann hypothesis.Yang–Mills existence and mass gap.Navier–Stokes existence and smoothness.Birch and Swinnerton-Dyer conjecture.

## What does ∩ mean in probability?

The probability that Events A and B both occur is the probability of the intersection of A and B. The probability of the intersection of Events A and B is denoted by P(A ∩ B). If Events A and B are mutually exclusive, P(A ∩ B)

## What is an upside down V?

The upside down ‘v’ used in the problem is called caret, and represents exponent, literally ‘raised to power’.

## How do you type an upside down V?

Just type “\land” (wo. the quotes) and keep typing whatever else you want. (The name is for “logical and”.) Finally, go back to each occurrence of that 5 character string, select (highlight) it, and hit ctrl-shift-l (i.e., ctrl-L).

## What is this symbol μ?

The lowercase Greek letter mu (µ) is used to represent the prefix multiplier 0.000001 (10 -6 or one millionth). … In some texts, the symbol µ is an abbreviation of micrometer(s) or micron(s). These two terms both refer to a unit of displacement equal to 0.000001 meter or 0.001 millimeter.

## What does V mean in algebra?

Alert valueZ. Mathematical “V” Words. *Dictionary Alert. value of a numerical expression The number that is the result of evaluating a numerical expression.

## What does Ʊ mean?

The letter Ʊ (minuscule: ʊ), called Latin upsilon, is a letter of the Latin alphabet. … Its lowercase is used in the International Phonetic Alphabet to transcribe a near-close near-back rounded vowel. It is used in some alphabets of African languages, such as Anii and Tem.

## What does ∧ mean in math?

In logic, mathematics and linguistics, And (∧) is the truth-functional operator of logical conjunction; the and of a set of operands is true if and only if all of its operands are true. … An operand of a conjunction is a conjunct.

## What is a () called?

are all called brackets. They indicate that the terms within any of them are considered as one quantity. () are called round brackets or parentheses, {} called curly brackets or braces and [] are the square brackets. … We use these brackets when we want to enclose part of an expression already within brackets.