# 1.7: Use the Order of Operations to Evaluate Powers

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**Practice**Expression Evaluation with Powers and Grouping Symbols

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Color | Highlighted Text | Notes | |
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Term | Definition |
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Base |
When a value is raised to a power, the value is referred to as the base, and the power is called the exponent. In the expression , 32 is the base, and 4 is the exponent. |

Evaluate |
To evaluate an expression or equation means to perform the included operations, commonly in order to find a specific value. |

Exponent |
Exponents are used to describe the number of times that a term is multiplied by itself. |

Numerical expression |
A numerical expression is a group of numbers and operations used to represent a quantity. |

Variable Expression |
A variable expression is a mathematical phrase that contains at least one variable or unknown quantity. |

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Description

Learn to evaluate variable expressions with powers by applying the order of operations.

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Date Created:

Dec 19, 2012
Last Modified:

Aug 11, 2016
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