The sequences below are either arithmetic sequences or geometric sequences. For each sequence, determine whet formula for the nth term an of that sequence.\begin{tabular}{|c|c|c|c|c|c|c|}\hline & Sequence & Type & nth term formula & □□ & 믐 & 므믐 \\\hline (a) & 2,9,16,… & \begin{tabular}{l} Arithmetic \\Geometric\end{tabular} & an=□ & □+□ & & \\\hline (b) & 7,35,175,… & \begin{tabular}{l} Arithmetic \\Geometric\end{tabular} & an=□ & × & & 5 \\\hline\end{tabular} Get tutor helpA 1.8 megawatt wind turbine can produce about 8,000,000 kilowatt hours of electricity each year. Write 8,000,000 in scientific notation. 8,000,000=?×10? Get tutor help