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## Which of these is an exponentiation operator?

Description. **The caret (^)** is used as the exponentiation operator. Note: The exponent operator should not be confused with the base-10 exponent symbol.

## What is arithmetic operators in PHP?

PHP provides you with common arithmetic operators that allow you **to perform addition, subtraction, multiplication, division, exponentiation, and modulus operations**. … If you apply an arithmetic operator to non-numeric values, it’ll convert them to numeric values before performing the arithmetic operation.

## How do you square a number in PHP?

4 Answers. square means add that number into same number for same time. When squaring you are **just multiplying a number by itself**, another way to do this is through addition, add a number to itself x amount of times. So, with 4 squared, that is 4 * 4 or, 4 + 4 + 4 + 4.

## What is exponentiation operator in Python?

Power (exponent) operator

One important basic arithmetic operator, in Python, is the exponent operator. It takes in two real numbers as input arguments and returns a single number. The operator that can be used to perform the exponent arithmetic in Python is ****** .

## What is the symbol of raise?

The caret symbol **(^)** can be used to raise a value to any power.

## What is n to the power of 3?

In mathematics, a power of three is a number of the form 3^{n} where n is an **integer** – that is, the result of exponentiation with number three as the base and integer n as the exponent.

## What is the full form of PHP?

PHP (recursive acronym for **PHP: Hypertext Preprocessor** ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

## What is PHP call function?

A PHP function provides **code that a PHP script can call to perform a task**, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.

## What is the purpose of @IN PHP?

The at sign (@) is used as **error control operator** in PHP. When an expression is prepended with the @ sign, error messages that might be generated by that expression will be ignored. If the track_errors feature is enabled, an error message generated by the expression and it will be saved in the variable $php_errormsg.

## Why is square root 4?

The square root of 4 is denoted by √4, where symbol ‘√’ is the symbol of the square root. Number 4 **is a perfect square**. So it is easy to find the root of 4 and other such perfect numbers.

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Square Root From 1 to 50.

Number | Square Root Value |
---|---|

2 | 1.414 |

3 | 1.732 |

4 | 2 |

5 | 2.236 |

## How do you write square root in PHP?

In a programming language like PHP, calculating square root is simple when used with built-in function. This function is **sqrt()**.