What is the first term of the geometric sequence presented in the table below?

n 3 8

an 112 - 3,584

Hint: an = a1 (r) n - 1, where a1 is the first term and r is the common ratio.

a1 = - 28

a1 = - 2

a1 = - 1/2

a1 = 28

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Solve for x. will give brainliest answer to the one i like most 2x-5=7

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What is the product? 4.3 (-2.9)