👉 Quadrillions are a unit of measurement that represents a very large number. They are commonly used in scientific and technical contexts to describe extremely large numbers or quantities. In the context of astronomy, "quadrillion" is often used as an abbreviation for "10^12," which means "one hundred million." For example: - In astronomy, 3 quadrillions (or "three trillions") are considered a very large number. - In engineering, when discussing something that is so