Read this article: https://www.wired.com/2013/06/ups-astronomical-math/#:~:text=15%20trillion%20trillion%E2%80%94The%20number,is%20called%20a%20combinatorial%20explosion
Provide an overview of the relevant topic area that you find of interest, in 150 to 250 words; it may be helpful to view this as an executive summary. You may wish to more fully develop the concept using other sources and citations, and provide a real-world context for further discussion.