The **exponent** of a number says **how many times** to usage the number in a multiplication.

You are watching: -2 to the 6th power

In **82** the "2" states to use 8 double in a multiplication,**so 82 = 8 × 8 = 64**

In words: 82 can be referred to as "8 to the power 2" or "8 come the second power", or simply "8 squared"

Exponents are additionally called powers or Indices.

Some more examples:

### Example: **53 = 5 × 5 × 5 = 125**

In words: 53 might be referred to as "5 to the 3rd power", "5 come the strength 3" or simply "5 cubed" ### Example: **24 = 2 × 2 × 2 × 2 = 16**

In words: 24 might be referred to as "2 to the 4th power" or "2 to the strength 4" or merely "2 to the 4th" So** in general**:

an tells you to main point a by itself,so there space n of those a"s: |

## Another method of creating It

Sometimes people use the **^** price (above the 6 on her keyboard), together it is easy to type.

## Negative Exponents

Negative? What could be the opposite of multiplying? Dividing!

So we division by the number each time, i beg your pardon is the exact same as multiply by *1***number**

## Negative? upper and lower reversal the Positive!

That last example showed one easier method to handle an adverse exponents: calculation the confident exponent (an) |

More Examples:

negative Exponent reciprocal of

**Positive Exponent price**

4-2 | = | 1 / 42 | = | 1/16 = 0.0625 |

10-3 | = | 1 / 103 | = | 1/1,000 = 0.001 |

(-2)-3 | = | 1 / (-2)3 | = | 1/(-8) = -0.125 |

## What if the Exponent is 1, or 0?

1 | If the exponent is 1, climate you just have actually the number chin (example 91 = 9) | |

0 | If the exponent is 0, then you gain 1 (example 90 = 1) | |

But what around 00 ? It can be one of two people 1 or 0, and also so civilization say the is "indeterminate". |

## It All renders Sense

If friend look at the table, friend will see that positive, zero ornegative exponents are really component of the exact same (fairly simple) pattern:

Example: strength of 5

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52 | 5 × 5 | 25 | |

51 | 5 | 5 | |

50 | 1 | 1 | |

5-1 | 15 | 0.2 | |

5-2 | 15 × 15 | 0.04 | |

.. Etc.. |