gdaniel916otd8ln
gdaniel916otd8ln gdaniel916otd8ln
  • 02-08-2017
  • Mathematics
contestada

Determine the 4th term in the geometric sequence whose first term is -2 and whose common ratio is -5

Respuesta :

irspow
irspow irspow
  • 02-08-2017
Again, any geometric sequence can be expressed as:

a(n)=ar^(n-1), a=initial term, r=common ratio, n=term number

We are told that a=-2 and r=-5 so:

a(4)=-2(-5)^(4-1)

a(4)=-2(-5)^3

a(4)=250
Answer Link

Otras preguntas

how did the civil influence the beginning of American realism
. Which of the following is the correct linear model to fit this data? Number of Text Messages (t) 8 16 20 72 Bill Amount (b) $12 $14 $25 $28 A. b = 8t +
Clear cut inpassible boundaries separate the methods of paragraph development. True or False?
what is the value of x in the equation –2.4x = 8.4?
Do u think tiger could survive in the unfamiliar habitat
why did salt become so important in early african trade?
how did the civil influence the beginning of American realism
Latly you have enn working on improving your skills .you are fast
When one vehicle is towing another by means of a chain the chain must?
The figure below shows parallel lines cut by a transversal: A pair of parallel lines is shown with arrowheads on each end. A transversal cuts these two lines.