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# Chapter 4 Exponents

Question | Answer |
---|---|

Rules for divisibility | 2. even number 0,2,4,6,8 3. sum of the digits is divisible by 3 4. last 2 digits are divisible by 4 5. ends in 0 or 5 6. if divisible by 2 and 3 (has to be both) 8. last 3 digits divisible by 8 9. the sum of the digits divide by 9 10. ends in zero |

Factors | numbers that are evenly divisible by a number |

Order of operations | PEMDAS parenthesis, exponents, multiply, divide, add, subtract |

Exponent | method of showing repeated mult. = how many times to multiply a number by itself |

Base | the big main number |

Power | smaller number at top |

(-3)^2 Means | exponent |

-3^2 means | |

Prime Numbers | a number with 2 factors |

Composite Numbers | a number with 3 or more factors |

GCF | the greatest number that is divisible into a set of numbers |

Variable GCF (example: x^2 y^2 xy^2) | |

Prime factorization (example: 120) | |

Finding prime factorization using GCF | |

Simplifying Variable expressions | subtracting the exponents |

Rational NUmbers - Give examples of rational numbers | |

Negative Rational numbers- how do you write | |

Multiplying exponent rule example 4x^3y^5x3x^2yz^2 | multiplying powers with the same base |

Power of power rule | power of a power |

Zero exponent rule | |

zero exponent rule | |

negative exponent rule | |

write without negative exponents | |

rewrite without a fraction bar | |

rewrite without zero or negative exponents and simplify | |

(example: x^2 y^2 xy^2) | |

(example: 120) | |

example 4x^3y^5x3x^2yz^2 | |

Example 78 and 124 | |

example (12x^2y^5)/(8x^4y^2 | |

Courtney Bethell | Period 4 |

Created by:
bethellcourtney