# First Six Weeks Test Review: Question Preview (ID: 26716)

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How is this number written in scientific notation: 0.0000000508 |
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a) 5.08 x 10 ^ -8 | b) 5.8 x 10 ^ -8 | c) 50.8 x 10 -7 | d) 508 x 10 ^-7 | |

An elephant weighs approximately 6,000 pounds. How is this number expressed in scientific notation? |
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a) .6 x 10 ^-4 | b) 6 x 10 ^3 | c) 60 x 10 ^ 2 | d) 6 x 10 ^ -3 | |

The distance from the sun to the earth is 159,600,000,000 miles. How is this number expressed in scientific notation? |
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a) 15.96 x 10 ^ 10 | b) 1.5 x 10 ^ 11 | c) 1596 x 10 ^11 | d) 1.596 x 10 ^11 | |

Calculate the average distance from the mean of the following numbers : 14, 13, 15, 13, 16 |
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a) 14.2 | b) 5.2 | c) 1.04 | d) 0 | |

Calculate the average distance from the mean of the following numbers : 72, 61, 70, 68 |
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a) 3.375 | b) 0 | c) 13.5 | d) 67.75 | |

Evaluate for x: x/4 + 7 = -x + 32 |
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a) 3 1/4 | b) 9 | c) 20 | d) 15 | |

Evaluate for x: 0.25x + 10 = -2x + 27 |
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a) 5 | b) 13 | c) 22 | d) 9 | |

Which of the following shows these numbers -20, 10. -24, -6, 0 listed correctly from least to greatest? |
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a) -6, -20, -24, 0 , 10 | b) -24, -20, -6, 0, 10 | c) 10, 0 , -6, -20, -24 | d) -24, 10, -20, -6, 0 | |

Which of the following shows theses numbers 80%, 0.827, 1/3, 8 from greatest to least? |
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a) 1/3, 8, 0.827, 80% | b) 8, 80% , 0.827, 1/3 | c) 0.827, 80%, 8, 1/3 | d) 8, 0.827, 80%, 1/3 | |

Which of the following shows two rational numbers and two integers? |
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a) 0.135135135......, -8/2, -0.4, -13 | b) 0.839849384....., -0.4, -9, 8 | c) -0.4, -0.5, 0.2, 0.3 | d) 1/3, 0.49438940...., -2, -5 | |

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