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27 May, 19:16

The grand canyon is approximately 2^9 km long. Mariner Valley is a canyon on mars that is approximately 2^12 km long. About how many times longer is Mariner valley than the grand canyon

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  1. 27 May, 21:16
    0
    Zmx hzd chas cha shc has ch asc
  2. 27 May, 22:07
    0
    I think it would be 2^3. I'm sorry if it's wrong.
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