Exponent

Definition of Exponent

• An exponent is a mathematical notation that implies the number of times a number is to be multiplied by itself.

Examples of Exponent

• In the expression , the exponent is 7. 'a' is the base.

• In , 4 is the exponent. 4 tells us that 2 is to be multiplied by itself 4 times.

= 2 × 2 × 2 × 2 = 16

More about Exponent

• There are some algebra rules and formulas for exponents and they are useful in evaluating certain expressions.
• The exponents can be positive, negative, or zero.

Solved Example on Exponent

A piece of cloth is in the shape of a square with a length of 8 yd. Find the area of the cloth in exponential form.

A.

B.

C.

D.

          Correct Answer: B

Solution:

Step 1: Area of a square = s x s, where s is the side length.

Step 2: = 8 × 8         [Substitute s = 8.]                       

Step 3: =                                             

Step 4: So, the area of the piece of cloth in exponential form is .

Related Terms for Exponent

• Base
• Power
• Laws of Exponent
• Positive Exponent
• Negative Exponent
• Zero Exponent

Additional Links for Exponent

• Click here for samples
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