exponent
n. C1 Advanced US //ˈɛkˌspoʊnənt// UK //ɛkspˈəʊnənt// ex·po·nent
n. a number or letter that shows how many times a base number is multiplied by itself. You see this in math when you write 2^3 to mean 2 times 2 times 2.
n. a number or symbol placed above and after another number to indicate the power to which the former is to be raised.
The exponent in 10^5 is five.
When you multiply two numbers with the same base, you add their exponents together.
In scientific notation, the exponent allows researchers to express extremely large or small quantities in a more manageable and standardized format.
From Latin expōnēns, present participle of expōnō (“to expose; to exhibit, display, set out; to explain”), from ex- (“out, away”) + pōnō (“to lay, place, put”).