Question

I WILL AWARD MEDAL!!!!!!!!!!!!!!!!!!!!!!!!
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Find the 6th partial sum of

78,432

11,204

9,555

2,387

@whpalmer4

Answer 1

6th partial sum of ....

Answer 2

\[\sum_{i=1}^{\infty}7(4)^i-1\]

Answer 3

Bam that is it

Answer 4

You're in good hands, and I hear a pizza calling my name...

Answer 5

Yes I am the pizza.

Answer 6

6th partial sum is
\[\sum_{i=1}^67(4)^i-1\]

Answer 7

which you can compute by grinding it out or writing
\[\sum_{i=1}^67(4)^i-1=7\sum_{i=1}^6(4)^i-\sum_{i1}^61\]

Answer 8

then
\[\sum_{i=1}^64^i=\frac{4^7-4}{4-1}=5460\] making your answer
\[7\times 5460-7\]

Answer 9

that's not among the answer choices, @magbak, are you sure you've given us the right sum to evaluate?

Answer 10

that should be \[7*5460-6\]FWIW

Answer 11

oops

Answer 12

Yes

Answer 13

No one sec

Answer 14

\[\sum_{i=1}^{\infty}7(4)^(x-1)\]

Answer 15

@satellite73

Answer 16

"Yes I am the pizza"??
Sounded gay.

Answer 17

lost me now
i don't understand what you wrote
is it
\[\sum_{i=1}^67\times 4^{i-1}\]

Answer 18

Yes

Answer 19

Oh no he said the pizza was calling and I am calling for his help no homo bro.

Answer 20

ok then pull out the 4, get out a calculator and add
\[7(1+4+4^2+4^3+4^4+4^5)\]

Answer 21

Ok thanks one more question and I am done ok.