Question

The sum of the finite series 4, 6, 4, 6 is:

Answer 1

add them ?

Answer 2

4+6+4+6

Answer 3

so it should be 20

Answer 4

they keep telling me its wrong

Answer 5

oh is there som trick let me think

Answer 6

https://world.cyberhigh.org/Courses/alg2b/unit6/images/qalg2b6b06q.gif

Answer 7

i think its fine what about this one...im so outdated

Answer 8

:) 20 is correct. ask them why they think its wrong

Answer 9

what about the other problem

Answer 10

is it 1/16

Answer 11

or is it infinite

Answer 12

\(\large \sum \limits_{1}^4 \frac{1}{n}\)

Answer 13

yep thats the problem

Answer 14

\(\large \sum \limits_{1}^4 \frac{1}{n}\)

\(\large \frac{1}{1}+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}\)

Answer 15

simplify

Answer 16

LCD is 12

Answer 17

good :) keep going

Answer 18

so how would you go about this one...The sum of the first three terms of 2 - n is:

Answer 19

is that \(2-n\), or \(\large2^{-n}\)

Answer 20

?