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 Depdendent Variable

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 Dependent Variable

 Number of inequalities to solve: 23456789
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# Exponential Notation

Exponents are used to indicate repeated multiplication of the same number.

For example, we use exponential notation to write:

5 Â· 5 Â· 5 Â· 5 Â· 54

54 is read â€œfive to the fourth power.â€

In the expression 54:

â€¢ The base, 5, is the repeated factor.

â€¢ The exponent, 4, indicates the number of times the base appears as a factor. An exponent is also called a power.

Example 1

Find: 23.

Solution

The base is 2 and the exponent is 3.

Example 2

Rewrite using exponential notation: 10 Â· 10 Â· 10 Â· 10 Â· 10 Â· 10

Solution

 There are six factors. Each is 10. Therefore, the base is 10 and the exponent is 6.