An

**exponent** indicates how many times a

**base** value is to be multiplied by itself.

An exponent is sometimes referred to as a

**power** or an

**index**.

5 to a power of 4 means to multiply 5 by itself 4 times.

5^{4} = 5 × 5 × 5 × 5 = 625

4 to a power of 5 means to multiply 4 by itself 5 times.

4^{5} = 4 × 4 × 4 × 4 × 4 = 1,024

When a value has an exponent of 2, the value is often referred to as squared.

When a value has an exponent of 3, the value is often referred to as cubed.

1.2 cubed means to multiply 1.2 by itself 3 times.

(1.2)^{3} = 1.2 × 1.2 × 1.2 = 1.728

One-third squared means to multiply one-third by itself 2 times.

${\text{(}\frac{1}{3}\text{)}}^{2}=\frac{1}{3}\times \frac{1}{3}=\frac{1}{9}$