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# 7th Grade

### Chapter 3 Vocabulary

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

exponent | Tells how many times a number, or base, is used as a factor |

power | a number tht can be expressed using an exponent |

scientific notation | Written as the product of two factors. The frist factor is a number greater than or equal to one and less than ten. The second factor is a power of 10. |

multiple | the product of a number and any nonzero whole number |

least common multiple (LCM) | (of two or more numbers) is the least multiple that is common to all the numbers |

factor | a whole number that divides another whole number with a remainder of 0 |

composite number | a whole number greater than one that has more than 2 factors |

prime number | a whole number with exactly two factors, one and itself |

prime factorization | writing a composite number as the product of its prime factors |

greatest common factors (GCF) | (of two or more numbers) the greatest that is a factor of all the numbers |

equivalent fractions | Fractions that name the same amount |

simplest form | when the numerator and denominator of a fraction have no common factors other than 1 |

least common denominator (LCD) | _______ of two or more fractions is the least common multiple of their denominators |

improper fraction | a fraction with a numerator greater than or equal to its denominator |

mixed number | the sum of a whole number and a fraction |

terminating decimal | a decimal that stops |

repeating decimal | a decimal that repeats without end |

rational number | a number that can be written as a quotient of two integers, where the divisor is not 0 |

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palsm