When working out the Relative Formula Mass of a compound in Chemistry you need to add the individual atomic masses.
What is the Relative Atomic Mass of NaBr?
ICT
When trying to ensure that you have enough disk space for a collection of files you need to add all of the file sizes together.
I have a picture that is 1.5MB, a MP3 file that is 4MB and a video file that is 28MB – how much space would this take up on my USB stick?
Economics
Economists use addition to calculate profits, assess market trends, and formulate economic models. Whether examining the impact of supply and demand or analyzing budget allocations, addition plays a pivotal role in unraveling the complexities of economic systems