nadeLest6in4Delond nadeLest6in4Delond

02-08-2016
Mathematics

contestada

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

Respuesta :

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

13. What is the name and function of the main lymphatic tissue found in the intestines? A. Thymus gland: enables the conversion of immature lymphocytes into m

Using the distributive law 30x+15y+75z

The attendance at a seminar in one year was 500 in your to the attendence changed by 100 what was the percent change in attendance

What is the difference between cats and dogs?

What is one biotic factor that affects the size of a population in an ecosystem? A) local geography B) number of predators present C) average yearly temperature

Why might a scientist repeat an experiment if he/she didn't make a mistake in the first one? An experiment should be repeated to A) increase income for increas

What two factors affect the speed of a sound wave as it travels through a medium? the energy transferred by the wave and the density of the medium the type of m

#1 is confusing and I messed up a couple times, help needed

Which fact provides the BEST evidence to support the conclusion that the end of the trustee period also marked the end of colony's attempts to ban slavery? A)

What is a distinguishing characteristics describing most parasitic diseases?