The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 8,17,26 fine the 31 term

278

Step-by-step explanation:

Given

Required

The 31st term

The given sequence is an arithmetic sequence because

The 31st term, is then calculated as:

Where

--- The first term

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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