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3 June, 05:48

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. 3 June, 05:55
    0
    454 billion years

    1 bill = 1000000000
  2. 3 June, 06:09
    0
    Divide the answer by a billion one with 9 zeros

    So Answer is 454.
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