^{
}

Basics

^{Root}√Number

The root sign √ is also known as the radical sign.

Second Root of 49 = ²√49 = ²√7² = ²√7 × 7 = 7

The second root is also known as the square root.

Third Root of 343 = ³√343 = ³√7³ = ³√7 × 7 × 7 = 7

The third root is also known as the cube root.

Fourth Root of 2401 = ^{4}√2401 = ^{4}√7^{4} = ^{4}√7 × 7 × 7 × 7 = 7

Fifth Root of 16807 = ^{5}√16807 = ^{5}√7^{5} = ^{5}√7 × 7 × 7 × 7 × 7 = 7

is the root command.

activates above .

**
Question
**What is

^{8}√1679616 ?

**Answer
**6

Calculator Click |
What You See |
Comment |

blinker | clears screen | |

8 1679616 | ^{8}√1679616 |
Eighth Root |

6 | Answer | |

## Root |

**
Question
**What is

^{5}√184243.5179 ?

**Answer
**11.3

Calculator Click |
What You See |
Comment |

blinker | clears screen | |

5 184243.5179 | ^{5}√184243.5179 |
Fifth Root |

11.3 | Answer | |

## Root |

**
Practice – Questions
**1. What is the fourth root of 625?

2. What is the sixth root of 262144?

3. What is the ninth root of 512?

4. What is the seventh root of 37366.94531?

5. What is the fifth root of 663382.9098?

Practice – Answers

1. 5

2. 8

3. 2

4. 4.5

5. 14.6