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A trillion has twelve zeroes after it -> 1,000,000,000,000 - so 3.5 trillion would be 3,500,000,000,000 or in scientific notation it would be 3.5 x 1012.

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16y ago
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14y ago

3 thousand billion is equivalent to 3 trillion. so...

3, 000, 000, 000, 000

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Q: How do you write 3.5trillion?
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