Mathematics, 13.07.2019 07:00 adhanom12
Need on math word problem over summation notation and sequences!
Answers: 1
![\bf \displaystyle \cfrac{1}{7}\sum\limits_{i=1}^{7}~a_i\\\\\\ \cfrac{1}{7}\left[ \stackrel{i=1~ a_1}{(2.7)}+\stackrel{i=2~ a_2}{(3.0)}+\stackrel{i=3~ a_3}{(3.2)}+\stackrel{i=4~ a_4}{(3.7)}+\stackrel{i=5~ a_5}{(4.4)}+\stackrel{i=6~ a_6}{(4.9)}+\stackrel{i=7~ a_7}{(5.3)} \right] \\\\\\ \displaystyle \cfrac{1}{7}\sum\limits_{i=1}^{7}~a_i\qquad \approx 3.88571428571428571429\implies \stackrel{\textit{rounded up}}{3.9}](/tpl/images/0083/9103/47a02.png)
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