Power in math - Definition and examples

In math, a power is the answer that you get when you multiply a number by itself. This answer can also be called a product.

For example, the answers that you get for multiplying 5 x 2 x 3 x 6 and 5 x 5 x 5 x 5 are called products. However, when the numbers in the multiplication are the same such as in 5 x 5 x 5 x 5, we call the answer for 5 x 5 x 5 x 5 a power instead of a product.

Notice that 5 x 5 x 5 x 5 = 54 = 625

625 is the answer or power. Since 625 is also equal to 54 and 5 x 5 x 5 x 5, it is OK to call 5 x 5 x 5 x 5 and 54 powers as well.

Therefore, 54 is a power and you read the expression 54 as " five to the fourth power."

As you may have noticed, a power can have two parts, a base and an exponent. 

Power in math

More examples of power in math

1. 35

2. (-2)10

3. (4x)3

4. (2x + 1)2

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