726039 726039
  • 14-06-2019
  • Mathematics
contestada

Which formula can be used to describe the sequence
-3, 3/5, -3/25, 3/125, -3/625

Respuesta :

altavistard
altavistard altavistard
  • 14-06-2019

Answer:

a(n) = -3(-1/5)^(n - 1)

Step-by-step explanation:

From the first term, -3, we get the second term, 3/5, by multiplying -3 by -1/5.

Thus, the common ratio is -1/5.

The general formula in this case is a(n)=(first term)(common ratio)^(n - 1), or

a(n) = -3(-1/5)^(n - 1)

Answer Link

Otras preguntas

The two viceroyalties in Spanish America prior to 1717 were __________.
Cats having different fur length and patterns are most likely due to what
2 (-3)^2-5(-3) (-2)- (-2)^3
algebra question please help
A sample of a marble has a volume of 8 cm^3 and a density of 2.75 g/cm^3. What is it’s mass
What is the instrumental uncertainty of the clock and the odometer?
Comfort of the Night The stars spread across the skyI connect themThe longer I stareThe more tales leap from the black nightThe longer I starethe smaller I feel
An earthworm tunnels 2 centimeters into the ground each day . The earthworm tunnels at about the same pace every day how many days will it take the earthworm to
disease that occurs when cell cycle is no longer regulated
What is a well-informed, but often neglected, source of free marketing data? A. infomercials B. college professors C. Secondhand textbooks D. PR Firms