scientific notation allows us to express very large or very small numbers using exponents, which saves time and makes it easier to compare numbers of very different magnitude.
Scientific Notation provides Numbers are expressed using powers of ten.
A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 550,000,000 can be written in scientific notation as 5.5 ✕ 10^8