**Definition of Power**

- Power or Exponent tells how many times a number is multiplied by itself.

**More about Power**

- Power is denoted by writing it above the head of its base.
- Anything raised to the power 0 is equal to 1, i.e. 2
^{0}= 1,*a*^{0}= 1.

**Example of Power**

- In 3
^{5}, 5 is the power or exponent and 3 is the base. - In
*a*^{7}, 7 is the power or exponent and*a*is the base.

**Solved Example on Power**

Rewrite the expression 13 × 13 × 13 × 13 × 13 using power notation.

Choices:

A. 13^{5}

B. 13^{4}

C. 51^{3}

D. 13^{1}

Correct Answer: A

Solution:

Step 1:13 × 13 × 13 × 13 × 13 [Given expression.]

Step 2:Here, 13 is multiplied 5 times.

Step 3:So, 5 is the power of the base 13.

Step 4:We write it as 13^{5}.

**Related Terms for Power**

- Base (of a Power)
- Dividing Powers Property
- Exponent
- Multiplication
- Power Properties