The base of a power is the factor that is repeatedly multiplied by itself.

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