Stavroula89 Stavroula89

01-04-2017
Mathematics

contestada

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

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kaa0105 kaa0105

01-04-2017

454 billion years

1 bill = 1000000000

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01-04-2017

Divide the answer by a billion one with 9 zeros
So Answer is 454.

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