TDB1 TDB1
  • 24-07-2017
  • Mathematics
contestada

A geometric sequence has a common ratio of 2/9 and the first term is 729 what is the 8th term?

Respuesta :

CastleRook
CastleRook CastleRook
  • 31-07-2017
This is the concept of sequences and series. The formula for geometric series is given by:
an=ar(n-1)
where;
a=first term
r=common ratio
n=nth term
thus the 8th term will be:
8th=728*(2/9)^(8-1)
=728*(2/9)^7
=128/6561

Answer Link

Otras preguntas

Round 1.069 to the nearest tenth
You have 5 pounds and 10 ounces of laundry. Your washer has a capacity of 7 pounds. How many more ounces of laundry would you need to make a full load?
Relationship between Mini and Kabuliwala
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:
do you know 10(55-1000)/90+2=?
What year did the Mayflower sail the ocean blue?
What is the fraction 18/24 reduced to its lowest terms? A. 9/12 B. 3/4 C. 24/18 D. 18/24
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth:
What is 3 to the 3rd power times 3 to the 4th power
true or false questions basic math 1.the total surface area of a cube each of whose edges is 12 inches long is 6 square feet 2.if the tank in a car holds 15 gal