Question

Evaluate S5 for 600 + 300 + 150 + … and select the correct answer below.

Answer 1

this is another geometric series:- r will be second term / first term

Answer 2

What would the equation for this one be?

Answer 3

you can use the formula

\(\large\color{black}{ \displaystyle {\rm Sum} _{\rm ~(when~~adding~~some~~n~~number~~of~~terms)} \displaystyle =\frac{({\rm 1st~ term)\times (1-{\rm r}^n)}}{1-{\rm r}}}\)

Answer 4

r = 300 / 600 = ?

Answer 5

37.5 is the answer