An **exponent or power **is a mathematical representation that indicates the number of times that a number is multiplied by itself.

If a number is multiplied by itself m times, then it can be written as: a x a x a x a x a...m times = a^{m. }Here, a is called the **base,** and m is called the **exponent, power **or** index.**

Numbers raised to the **power** of two are called **square numbers**. **Square numbers** are also read as two-square, three-square, four-square, five-square, and so on.

Numbers raised to the **power** of three are called **cube numbers**. **Cube numbers** are also read as two-cube, three-cube, four-cube, five-cube, and so on.

**Negative numbers** can also be written using **exponents**. If a^{n} = b, where a and b are **integers** and n is a **natural number**, then a^{n} is called the **exponential form** of b.

The **factors** of a product can be expressed as the **powers** of the **prime factors** of 100. This form of expressing numbers using **exponents** is called the **prime factor** **product form** of **exponents**.

Even if we interchange the **order of the factors**, the value remains the same. So *a* raised to the power of *x* multiplied by *b* raised to the power of *y*, is the same as *b* raised to the power of *y* multiplied by *a* raised to the power of *x*.

The value of an **exponential number** with a **negative base** raised to the power of an **even number** is positive. If the base of two **exponential numbers** is the same, then the number with the **greater exponent** is greater than the number with the **smaller exponent**.

A number can be expressed as a **decimal number** between 1.0 and 10.0, including 1.0, multiplied by a power of 10. Such a form of a number is known as its **standard form**.