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anonymous
 one year ago
Find the sum of a 10term geometric sequence when the first term is 3 and the last term is 59,049 and select the correct answer below.
anonymous
 one year ago
Find the sum of a 10term geometric sequence when the first term is 3 and the last term is 59,049 and select the correct answer below.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0177,147 88,572 88,575<my answer 177,144

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3\[\huge~\rm~a_n=a_1\times~r^{n1}\] \[\huge~\rm~a_n=3\times~r^{n1} \] \[\huge~\rm~a_{10}=3\times~r^9 \] \[\huge~\rm~59049=3\times~r^9\] \[\huge~\rm~59049/3=r^9\]

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3\[\huge~\rm~19683=r^9\] \[\huge~\rm~\sqrt[9]{19683=r}\] From that we get r=3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 2187? I think I did it wrong

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3Ye you are wrong :) look at the work above

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I dont know how to type that into my calculator :( I originally just did 19683 times 1/9

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3Well cacls wont be there all your life :(

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3\[\huge~\rm~\Large S_{10} = \frac{3 (13^{10})}{13} =88572\]

pooja195
 one year ago
Best ResponseYou've already chosen the best response.3You were off a few numbers look at your answer choices

ProgramOne
 4 months ago
Best ResponseYou've already chosen the best response.0The correct answer was 88,572. Thank you for explaining how to do this, it helped a lot!
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