Contents

- 1 What is the square root of 81 simplified?
- 2 What is the square root of 81 with solution?
- 3 Is the square root of 81 a perfect square?
- 4 What is the root square of 10?
- 5 What is the root square of 121?
- 6 What are the factors of the square number 81?
- 7 What is a square root of 625?
- 8 What is the perfect square of 81?
- 9 Is 81 a perfect number?
- 10 Is 80 a perfect square?
- 11 What is a square root of 69?

## What is the square root of 81 simplified?

Explanation: 81 =9⋅9 then the square root of √ 81 =9.

## What is the square root of 81 with solution?

Example Square Roots: The 2nd root of 81, or 81 radical 2, or the square root of 81 is written as 2√ 81 =√ 81 =±9.

## Is the square root of 81 a perfect square?

81 is a perfect square if the square root of 81 equals a whole number. As we have calculated further down on this page, the square root of 81 is a whole number. 81 is a perfect square.

## What is the root square of 10?

List of Perfect Squares

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

8 | 64 | 2.828 |

9 | 81 | 3.000 |

10 | 100 | 3.162 |

11 | 121 | 3.317 |

## What is the root square of 121?

Once again, the square root of 121 is 11.

## What are the factors of the square number 81?

81 and Level 5 81 is a composite number and is 9 squared. 81 = 1 x 81, 3 x 27, or 9 x 9. Factors of 81: 1, 3, 9, 27, 81.

## What is a square root of 625?

Answer: So the square root of 625 by prime factorisation method is 25.

## What is the perfect square of 81?

Example 1

Integer | Perfect square |
---|---|

9 x 9 | 81 |

10 x 10 | 100 |

11 x 11 | 121 |

12 x 12 | 144 |

## Is 81 a perfect number?

A: Yes, the number 81 is a perfect square.

## Is 80 a perfect square?

80 is not a perfect square. 80 is a natural number, but since there is no other natural number that can be squared to result in the number 80, it is NOT a perfect square root.

## What is a square root of 69?

Square Root Table 1-100

number | square | square root |
---|---|---|

69 | 4,761 | 8.307 |

70 | 4,900 | 8.367 |

71 | 5,041 | 8.426 |

72 | 5,184 | 8.485 |