Cardiovascular health. Cherry is a rich source of flavonoids, antioxidants and potassium. Eating cherry proves beneficial to the heart. It strengthens the nervous system and reduces bad cholesterol thus prevent blockage in the flow of blood. So it is effective to prevent heart attack, hypertension and stroke.
Scientific notation is needed any time you need to express a number that is very big or very small. Suppose for example you wanted to figure out how many drops of water were in a river 12 km long, 270 m wide, and 38 m deep (assuming one drop is one millilitre).
Scientific notation was useful in to those that have used it in the past, very useful to those of us that use it now, and will be useful to those in the future. Think of how fast new medicines, buildings, cars, and technology is developed and produced thanks to scientific notation.