Question

Evaluate the sum:


# 4 on the pdf file

Answer 1

There's a formula to use for infinite
Look at this
http://www.purplemath.com/modules/series5.htm

Answer 2

do you know how to do it because I tried and I didn't get the right answer

Answer 3

So ur equation is

a
----
1-r

Answer 4

Do u know what a and r are?

Answer 5

r represents the common ratio and a represents your first term

Answer 6

Yes, and what would those 2 numbers be in ur problem?

Answer 7

I have to eat dinner right quick please stay online

Answer 8

Ok, but will it take long?

Answer 9

can someone please help me

Answer 10

So do u know what a and r are? Like the numbers in ur problem

Answer 11

would a be 6?

Answer 12

Yes, and r?

Answer 13

and r wwould be 9

Answer 14

Correct and now plug it into the formula

Answer 15

6 6/8
---- =
1-9

Answer 16

* -6/8 and u can reduce to -3/4

Answer 17

is that answer?

Answer 18

Yes