cheyennetori123
cheyennetori123 cheyennetori123
  • 01-05-2017
  • Mathematics
contestada

what is the 4th term in a geometric sequence for which a1=10 and r=.5

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 01-05-2017
First term a1=10 & r=0.5 & n=4

The formula to find the term =a(n) = a(1)*(r)^(n-1)

a(4th)=10*(0.5)^3 =1.25


proof:


a1=10

a2=10*0.5=5

a3= 5*0.5 = 2.5

a4= 2.5*0.5=1.25
Answer Link

Otras preguntas

Participating in physical activities can improve health-related fitness, Please select the best answer from the choices provided
in figure 13-1 between which nucleotides is the DNA cut? (A) ADENINE AND THYMINE (B) CYTOSINE AND GUANINE (C) THYMINE AND CYTOSINE (D) ADENINE AND GUANINE
find x. problem is in picture
Atomic number of Element A is 11 and that of element B is 9. Write the formula of the compound formed when A combines with B. b) Find the group of these
Read this excerpt from Vachel Lindsay's "In Praise of Johnny Appleseed." Washington buried in Virginia, Jackson buried in Tennessee, Young Lincoln, brooding in
A warehouse needs an outside storage space to store products before they are shipped. The space required is 3/2x^2dependent on the output of the warehouse at a
A ship traveled 120 km with the current, and then turned around and traveled back, spending 5h and 24 min on its trip. Find the speed of the current if the spee
who is john jacob jinglehighmershmdit???
Chas build a circular pattern for his dog The radius of the pen is 9 feet how much fencing did Chaz use for the pen
why is it important for a germ to change over time