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

Can someone please help me with these 7 questions please?
What scientific evidence exists that Earth is warming and that humans are the main cause?
Please help with this just tell me A B C or D.
which word is a verb many athletes practice their sport everyday A. practice B.Day C.sport D.athletes A P E X
Due to the ability to be able to purchase this new product on credit, it went from 60,000 of them being us U.S. household in 1919 to 10 million in U.S. househol
10. Write (2x + 1)(x - 3)(x - 2) in standard form.
All of the following are appropriate interventions during the defensive stage, except:
Select the correct answer. Which word best completes this conversation? Carla: ¿Te gusta la ropa tradicional? Daniela: Sí, me gusta mucho y es ______ cómoda c
Marquice and Tim was selling tickets for the upcoming basketball game Marquice sol 25% more than 10 if they sold 45 tickets total how many tickets did each of t
What are the different adminstrative units under federal System?​