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21 September, 05:13

Scientists have calculated that the Earth is 454 000 000 000 years old. How many billion years is this?

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Answers (2)
  1. 21 September, 07:44
    0
    Divide the answer by a billion one with 9 zeros

    So Answer is 454.
  2. 21 September, 09:10
    0
    454 billion years

    1 bill = 1000000000
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