Question

Question #34f1c

Answer 1

172.8

Explanation:

use the simple formula for this series
`S=(a(1-r^n))/(1-r)` or `S=a/(1-r)`
substituting
#a=144, r=1/6,n=oo#
we get
S=`144(1-(1/6)^(oo))/(1-1/6)`
172.8