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The average distance between the Earth and the moon is approximately 3.8× 10 5 kilometers. Which of the following is the closest to the average distance in feet? (1 kilometer is approximately 3.2× 10 4 feet.)   10 4

  • A

    7.0× 10 9

  • B

    1.1× 10 10

  • C

    1.2× 10 10

  • D

    1.2× 10 11

  • E

    9.9× 10 11

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正确答案: C

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