Question

What is the 9th term of the geometric sequence 3,12,48,...? Answers to choose from.

a)26,244
b)78,732
c)196,608
d)786,432

Answer 1

@Spectrum

Answer 2

@sauravshakya

Answer 3

First term =3
Common ratio =12/3 =4

Answer 4

Now, FIND t9

Answer 5

can u?

Answer 6

okay not really

Answer 7

i dont know how to set it up @sauravshakya

Answer 8

t9 = ar^(9-1) =3*4^(9-1)

Answer 9

Now, can u?

Answer 10

i got 26,244

Answer 11

is this correct @sauravshakya

Answer 12

Nope, it is c)196,608

Answer 13

oh i see what i did thank you.

Answer 14

welcome