Question

HELP FAST PLEASE!!!

Answer 1

OPEN AND SOLVE?

Answer 2

what is the common ratio of that series?

Answer 3

i learn a lot beter rereading, so can you go threw it and ill just follow along?
and this one too..

Answer 4

is the first one c? thats what i got?

Answer 5

just this problem!

Answer 6

anyone know this last one? :/

Answer 7

it's C

Answer 8

Next number is the previous * -7

Answer 9

I got A for the last one.

Greenleaf, it's (n-1)(5) with 7 terms where n is the term in the sequence, not (n-1)(7) with 5 terms.

Answer 10

@slottedpig @SandeepReddy what do you think it is?

Answer 11

The sequence is (-11)(55)(-275)(1375)(-6875)(34375)(-171875), the sum of which is A.

Answer 12

what?

Answer 13

@slottedpig dont give answers, explain the procedure

Answer 14

slottedpig, I was solving the first question
not the second

Answer 15

@SandeepReddy i know the procedure. i just keep getting different answers. just wanna make sure! anyone know the correct answer?

Answer 16

this is the one i need..

Answer 17

If you don't want to go through the process of adding each term in the series, use the formula: