An exponent is a number in a power that represents how many times a base is used as a factor.
24 = 2 x 2 x 2 x 2.
24 = (2)(2)(2)(2).
24 = 16
Base: 2
Exponent: 4
Expanded Form: 2 x 2 x 2 x 2 or (2)(2)(2)(2).
Standard Form: 16
If a base is written without an exponent, the exponent is one.