Question

Write the expanded series represented by the given summation notation.

Answer 1

is b) 20?

Answer 2

\[b. \sum_{i=2}^{9}(4i-3)= (4(2)-3)+(4(3)-3)+(4(4)-3)+(4(5)-3)+(4(6)-3)\]\[+(4(7)-3)+(4(8)-3)+(4(9)-3)= ?\]

Answer 3

\[c. \sum_{n=1}^{4}\frac{ 1 }{ n }= \frac{ 1 }{ 1 }+\frac{ 1 }{ 2 }+\frac{ 1 }{ 3 }+\frac{ 1 }{ 4 }=?\]

Answer 4

b=152

Answer 5

c)2.083? @rebeccadeal

Answer 6

\[c. \frac{ 25 }{ 12 }\approx2.083\]

Answer 7

b)152?