Question

What is the 7th term of the geometric sequence where a1 = 256 and a3 = 16?

Answer 1

\[a_1=256\]
\[a_3=16\]
\[a_3/a_1=r^2\]
\[16/256=1/16=r^2\]
\[a_7=a_1*r^6\]
\[a_7=256*(1/16)^3=1/16\]
\[1/16\]

Answer 2

So 0.0625...thankyou sooo much!!