alisongc alisongc
  • 21-12-2020
  • Mathematics
contestada

Find the 10th term of the geometric sequence 8, -24, 72, ...

Respuesta :

nadia2318116
nadia2318116 nadia2318116
  • 21-12-2020

Step-by-step explanation:

r=-24/8=72/-24=-3  

By using this equation:

a(n)=a(1)*r^(n-1)

and we have a(1)=8 , r=-3    

a(n)=8*(-3)^(n-1)

a(10)=8*(-3)^(10-1)

       =8*(-3)^9

       =-157464

hope this helps

Answer Link

Otras preguntas

which of the following represents the most accurate estimation of 38+23
''Life in a city is more rewarding than life outside a city."List two or three arguments in favor of this opinion and two or three arguments opposing this opini
whats the most accurate estimation of 65+77
''Life in a city is more rewarding than life outside a city."List two or three arguments in favor of this opinion and two or three arguments opposing this opini
whats the most accurate estimation of 65+77
''Life in a city is more rewarding than life outside a city."List two or three arguments in favor of this opinion and two or three arguments opposing this opini
which of the following represents the most accurate estimation of 38+23
''Life in a city is more rewarding than life outside a city."List two or three arguments in favor of this opinion and two or three arguments opposing this opini
whats the most accurate estimation of 65+77
please explain how to solve this  On Monday,it took Helen 3 hours to do  a page of science homework exercises.The next day she did the same number of exercises