Question

Evaluate the series 1+2+4+8+...+a10

Answer 1

seems to be doubling each time ...

Answer 2

but without a rule for it it can be anything really

Answer 3

i can create a sequence rule that would have 1,2,4,8,0,0,0,0,0,0,0,0,0,0,0

Answer 4

i have the formula for this

Answer 5

that looks fine; a geometric sum would fit

Answer 6

let r=2, and n=10

Answer 7

and a1 is the first term ... which is 1 in this case

Answer 8

what happens with the S?

Answer 9

Sn means: the partial sum of "n" terms

Answer 10

S10 is equal to ....

Answer 11

S10 is what you are finding

Answer 12

oh ok

Answer 13

correct

Answer 14

thank you

Answer 15

youre welcome