a^n = 3 (4/3)^16-1
http://courses.apexlearning.com/apps/AceWeb/launch2.do?enrollmentID=28514576&role=S&outlineID=617525832§ion=0&page=2
Hi Julie,
$$\\a^n = 3 (4/3)^{16}-1\\\\ a^n = \frac{4^{16}}{3^{15}}-1\\\\ a^n = \frac{4^{16}-3^{15}}{3^{15}}\\\\ a=\left(\frac{4^{16}-3^{15}}{3^{15}}\right)^{1/n}\\\\$$
I am just playing here because you did not actually ask a question :)