Question

Check my answer? Geometric sequences?

Answer 1

*sorry uploaded wrong file, this is where I got D*

Answer 2

i don't think it is D lets check

Answer 3

\[a_7=3^4\\
a_6=3^5
a_5=3^6\\
a_4=3^7\\
a_3=3^8\\
a_2=3^9\\
a_1=3^{10}\]

Answer 4

i think it is A
let we see
\[a^6=5^5\left( \frac{ 1 }{ 5 } \right)^{6-1}=\frac{ 5^5 }{ 5^5 }=1\]

which is correct.

Answer 5

thank you

Answer 6

yw.