An index, or a power, is the small floating number that goes next to a number or letter. The plural of index is indices. Indices show how many times a number or letter has been multiplied by itself.
What is the difference between Powers and indices?
Definition of Power and Exponent
In mathematical relationships, power refers to the number of times a number is multiplied by itself meaning the number you get raising a number to an exponent whereas an exponent is the number of times the number is used in a multiplication. Exponents are often called powers or indices.
Are indices and exponents the same thing?
Exponents are often known as powers or indices. In simple terms, power can be defined as an expression that represents repeated multiplication of the same number whereas exponent is the quantity that represents the power to which the number is raised.