Cách sử dụng
The word 'quadrillion' is used to describe a number that is equal to one million raised to the power of four. It is a very large number, and is often used in scientific or financial contexts where extremely high numbers are involved. For example, you might see the word 'quadrillion' used to describe the amount of energy produced by the sun, or the estimated value of the global economy. As an English learner, you might encounter this word in academic or technical writing, or in news articles about economics or science.