Question

Help quickly please!!!

Answer 1

@phi @AloneS @agent0smith @Bigbosssaint21 @jabez177 @rissyroo118 @confluxepic @Mehek14

Answer 2

349,525
87,381
6,400
1,365

Answer 3

Which one is it??

Answer 4

wait can u take a screenshot, i'm confused.

Answer 5

It's a geometric series, find the common ratio first

Answer 6

What's the common ratio?

Answer 7

Could you please just give me the answer

Answer 8

Oh lord... it's a bad sign that don't know what the common ratio is...

Answer 9

I think it's x4 right?
pleasee, jut help me answer this as quick as you can

Answer 10

Yes it's 4 for r. Now use the formula for sum of a geometric series.

Answer 11

What's the formula for that?

Answer 12

Use google.

Answer 13

How do I use the formula to find the sum?

Answer 14

@phi

Answer 15

\[S_n = \frac{r^n -1}{r-1}\]
you are given
n = 10
r = 4

Answer 16

yep

Answer 17

THANKS GUYS