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Use "quadrillions" in a sentence
"There is even some talk about "quadrillions" which in the U.S."
"That might be an oversimplification, yet still today American tax burden is somewhat lower than British one, and over all these years you've probably avoided paying trillions, if not quadrillions."
"There's enough asteroids in the solar system to create enough land area to accommodate hundreds of quadrillions of humans."