2 years ago

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

2 answers:

6 0

454 billion years

1 bill = 1000000000

3 0

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

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To a decimal you can round it down to .5 but if its a fraction no.

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Katen [24]

Your answer is going to be 5x^2+6 because if you simplify and do x(5)x +6 it will equal to 5x^2 + 6

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