paultyler753 paultyler753

25-02-2020
Mathematics

contestada

Find the stated term of the geometric sequence.
-5, -10, -20, -40 ..., 9th term

Respuesta :

amna04352 amna04352

25-02-2020

Answer:

-1280

Step-by-step explanation:

This geometric sequence has the first term -5 a = -5

And ratio : -10/-5 = 2 r = 2

9th term: (-5)(2^(9-1))

= (-5)(2⁸)

= -1280

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