Define powers provide an example of power with an exponent of 2

Definition: Exponents, or powers, are a way of indicating that a quantity is to be multiplied by itself some number of times.

Example:

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step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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