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

Based on their antomical similarities
Please help need answers ASAP
A 3.00-l flask is filled with gaseous ammonia, nh3. the gas pressure measured at 26.0 ∘c is 1.55 atm . assuming ideal gas behavior, how many grams of ammonia ar
what information is found in the dietary guidelines for Americans?
The intensity of sunlight at the earth surface is about 1000wlm2. The average temperature of the earth is about 58° f. What must be the emissivity of the earth
Determine the most precise name for the quadrilateral
How many joules of energy are required to heat 2.5 kg water from 18.5 to 55.0?
What is an interpretation
Geometry math question no Guessing and Please show work thank you
What are 3 different ways to solve the equations