What is the first term and explicit rule for the following geometric sequence? 3. 15,75,375, 1,875

First term: 3

Exiplicit formula:

or 3x5^n-1

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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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207/8 is the right