Question

Identify the 10th term of the geometric sequence 7, -35, 175 ...

-13,671,875
-68,359,375
68,359,375
13,671,875

Answer 1

As we see, here's the formula.

\(\Large \color{MidnightBlue}{\Rightarrow 7 * -5^{n - 1} }\)

You can find the value by substituting n with 10.

Answer 2

thanks