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# Chapter4LevinskiJake

### Chapter4

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

Rules for Divisibility | 2-Ends in even number, 3- Sum of digits Divisible by 3, 4- Last two digits divisible by 4, 5- Ends in 0 or 5, 6- If divisible by 2 and 3, 8- Last 3 digits divisible by 8, 9- Sum of digits divisible by 9, 10- Ends in 0 |

Factors | numbers used to multiply to get a number |

Order of Operations | work inside grouping symbols then simplify any terms with exponents, then multiply and divide in order from left to right, then add and subtract in order from left to right |

Exponent | An is the number that shows how many times a basic is used as a factor |

Base | the original number |

Power | is any expression in the form of a^ power can also be referred to exponent |

Prime Numbers | is an integer greater than 1 with two positive factors 1 and itself |

Composite Numbers | is an integer greater than 1 with more than two positive factors |

GCF | the greatest common factor of two or more numbers is the greatest factor that the numbers have in common |

Variable GCF | the greatest common factor that includes variables |

Prime Factorization | the prime factorization of a number is the expression of the number as the product of its prime factors |

Finding Prime Factorization using GCF | you take that number times 1 |

Rational Numbers | any number you can write as a quotient of two integers were the bottom number is not 0 or 2 |

Multiplying Exponent Rule | when you multiply them you add what is the exponent of the same base |

Zero Exponent Rule | when you have a zero exponent it is its self but in a equation it becomes nothing |

Negative Exponent Rule | you move it to the top of the bar and then it becomes positive |

(-3)^2 | 9 |

12x^2y^5 8x^4y^2 | 3x^2y^3 2 |

write the without negative exponents x^-3y^2 a^2b^-3 | y^2b^3 x^3a^2 |

rewrite with out fraction bar x^3y^2 a^2b^3 | x^3y^2A^-2b^-3 |

rewrite without zero or negative exponents and simplify x^-3y^2z^0 x^-2y^-3 | y^5 x^1 |

Created by:
levinskijacob