Question

Find the sum of the first 6 terms of the geometric series whose first term is −54 and whose second term is 72.

Answer 1

let's find the ration first.
72/-54
ratio=-8/6

Answer 2

alright sweet i think i got it then, ill try and u check back ok

Answer 3

106.889?

Answer 4

I got -196.519

Answer 5

yeah u ryt silver.well done hey