List all the elements of the following set. Use set notation and the listing method to describe the set. {12, 13, 14, ..., 20}

{12, 13, 14, _, 20}

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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40 x 50 = 2000

step-by-step explanation:

600,000,000,000, or 6e14

step-by-step explanation: