nadeLest6in4Delond
nadeLest6in4Delond nadeLest6in4Delond
  • 02-08-2016
  • Mathematics
contestada

what is the 8th term of the geometric sequence 4, −20, 100, …?

Respuesta :

Ckaranja
Ckaranja Ckaranja
  • 06-08-2016
First term a= 4, 
Common ratio, r=-20/4=-5
nth term =[tex] ar^{n-1} [/tex]
The 8th term is thus;
4[tex] -5^{8-1} [/tex]
=4*(-78125)
=-312500
Answer Link

Otras preguntas

(15 points) who wants to help me 0-0 i need help fast! image has the question
4 ( x- 2) = 34 for x
what circumstances do people have the right to alter their form of government?
Your paycheck is $800 every two weeks. Each month, your fixed expenses include the following: $675 for rent; $200 for utilities; $115 for insurance premiums; an
Deborah bikes 2.2 miles in 8 minutes. Her friend Caleb bikes 3.5 miles in 12 minutes. Who bikes at a faster speed?
PLS HELP How would you describe the geographic region in which your community is located?
what makes learning permanent??​
vid Pasteur help lo disprove spontaneous generation? He discovered that only bacteria and flies grow through spontaneous generation He examined covered and unco
how did the southerners react to Abraham Lincoln becoming president ITS for connexes academy'
If rain falls today, that is an example of A. weather B. climate C. flooding D. resources