## How do you find the square root of 121?

2 Answers By Expert Tutors

The **square root** off **121** is eleven. PERIOD. Not -11.

## What is the principal square root of √ 121?

**Square root** of **121** is 11 or -11.

## IS 121 a perfect square root?

The **square root** of **121** equals 11. Since 11 is a whole number, **121** is a **perfect square**.

## What is the simplified radical of 121?

Rewrite **121** as 112.

## How do you classify the number 121?

It is an irrational **number** if it is not a perfect square. Since **121** is a perfect square, it is rational **number**.

## What is the root square of 10?

Table of Squares and Square Roots

NUMBER | SQUARE | SQUARE ROOT |
---|---|---|

9 | 81 | 3.000 |

10 | 100 | 3.162 |

11 | 121 |
3.317 |

12 | 144 | 3.464 |

## How do you solve root 8?

Then, we take that value and multiply by itself 3 times. So essentially, square **root** of **8** to the power of 3 = (2.828 x 2.828 x 2.828) = 22.627.

Square **root** Table From 1 to 15.

Number | Squares | Square Root (Upto 3 places of decimal) |
---|---|---|

7 | 7^{2} = 49 |
√7 = 2.646 |

8 |
8^{2} = 64 |
√8 = 2.828 |

9 | 9^{2} = 81 |
√9 = 3.000 |

10 | 10^{2} = 100 |
√10 = 3.162` |

## What is the root square of 169?

The **square root** of **169** is 13.

## IS 121 a perfect number?

Yes, **121** is a deficient **number**, that is to say **121** is a natural **number** that is strictly larger than the sum of its proper divisors, i.e., the divisors of **121** without **121** itself (that is 1 + 11 = 12).

## Is 121 divisible by any number?

The **numbers** that **121** is **divisible** by are 1, 11, and **121**. You may also be interested to know that all the **numbers** that **121** is **divisible** by are also known as the factors of **121**. Not only that, but all the **numbers** that are **divisible** by **121** are the divisors of **121**.

## What are the factors of 121?

**Factors of 121**: 1, 11, **121**.

## Is the negative square root of 121 a real number?

If you enter **SQRT**(-**121**) into a spreadsheet on your computer, you will get an error message saying something like “argument must be greater or equal to 0” because the **square root** of **negative 121** is not possible. There is no **real number** multiplied by itself that will equal –**121**.

## Is Root 121 a SURD?

**Surds** are numbers left in **root** form (√) to express its exact value. It has an infinite number of non-recurring decimals. Therefore, **surds** are irrational numbers. Well, 2 x **121** is 242 and we can take the square **root** of **121** without leaving a **surd** (because we get 11).