Question

plz check my answer
What is the sum of the geometric sequence –4, 28, –196, … if there are 6 terms?

58,824

–470,596

–9,604

11,372 --->My Answer

Answer 1

whats the formula to calculate the required answer?

Answer 2

geometric sequence

Answer 3

did you try doing it manually, and then add, is only 6 terms
multiply by 7, so you have

-4, 28, -196, 1372, -9604, 67228 now add

Answer 4

no but i will try that thanks

Answer 5

yw :)

Answer 6

i got 58800 for my answer

Answer 7

ok thanks for the help :)

Answer 8

I got 68,628 - 9,804 = ??

Answer 9

58824?

Answer 10

correct

Answer 11

thanks:)

Answer 12

your welcome