Cm81650330viz
Answered

find the common ratio and the indicated term -3 , 9 , -27 , 81 , . . . find a10

PLEASE HELP ME​

Sagot :

Jamelbenibrahimviz

Answer:

[tex]r = - 3[/tex]

[tex]a10 = 59049[/tex]

Step-by-step explanation:

common ratio (r):

[tex]r = \frac{ - 27}{3} = - 3[/tex]

10th term (a10):

[tex]a10 = - 3 {r}^{10 - 1} [/tex]

[tex]a10 = - 3 {( - 3)}^{9} \\ = 59049[/tex]