Evaluate the series please

label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

Use the formula to evaluate the series 1-2+4-8+... -a10

The 10 is tiny next to the a

May 17th, 2015

Answer:  t1 = 4

        r = 2

        t10 = 4 . 29 = 2048  (This is the formula for a  geometric sequence!)

          Therefore:  S10 = 4(1-210)/(1 - 2) = 4 . 1023 = 4092

May 17th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
May 17th, 2015
...
May 17th, 2015
Aug 19th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer