Question

Can someone please help me with this problem....
Evaluate the summation

Answer 1

\[\sum_{i=0}^{3}3^i\]

Answer 2

starting from i=0 going to i=3

\[3^0+ 3^1+3^2 ...\]

Answer 3

Answer is 13

Answer 4

is that correct

Answer 5

nope,
i did not write the summation out completely, its still missing the term when i=3

Answer 6

oh ok so then answer would be 40

Answer 7

is that answer 40 correct

Answer 8

1+3+9+27=40
so yes

Answer 9

ok thanks