Aplant cell has a diameter of 1.3 x 10^-8 kilometer. is it more appropriate to report the diameter of the plant cell as 1.3 x 10^-2 millimeter? explain your reasoning.

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio