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Answer :
Answer:
26,660
Step-by-step explanation:
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Rewritten by : Barada
each term is multiplied by -6 to get next term
first term is -4
a1=-4
r=-6
the sum is
[tex]S_n=\frac{a_1(1-r^n)}{1-r}[/tex]
a1=-4
r=-6
n=6 because we want 6 terms
[tex]S_6=\frac{-4(1-(-6)^6)}{1-(-6)}[/tex]
[tex]S_6=\frac{-4(1-46656)}{1+6}[/tex]
[tex]S_6=\frac{-4(-46655)}{7}[/tex]
[tex]S_6=\frac{186620}{7}[/tex]
[tex]S_6=26660[/tex]
answer is B
first term is -4
a1=-4
r=-6
the sum is
[tex]S_n=\frac{a_1(1-r^n)}{1-r}[/tex]
a1=-4
r=-6
n=6 because we want 6 terms
[tex]S_6=\frac{-4(1-(-6)^6)}{1-(-6)}[/tex]
[tex]S_6=\frac{-4(1-46656)}{1+6}[/tex]
[tex]S_6=\frac{-4(-46655)}{7}[/tex]
[tex]S_6=\frac{186620}{7}[/tex]
[tex]S_6=26660[/tex]
answer is B