Question

What is the tenth term of the geometric sequence 3, 6, 12, 24, 48, … ?

Answer 1

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

where a = first term and r = common ratio

here a = 3 and r = 6/3 = 2

Answer 2

10th term = 3* 2^(10-1)

Answer 3

1536?

Answer 4

grab your calculator and see what you get..

Answer 5

correct

Answer 6

thanks

Answer 7

yw

Answer 8

3 = 3* (2^(1-1)) n=1
3*2 = 3* (2*(2-1)) n=2
3*2*2 = 3* (2*(3-1)) n=3
3*2*2*2 = 3* (2*(4-1)) n=4

then 3*( 2^(N-1)) if n-->1