Question

Find the sum of the given infinte geometric series a^1=22, r= -0.07

Answer 1

The sum of an infinite sequence is a1/(1-r) where a1 if sfirst term and r=common ratio

a1=22 and r=-0.07

sum=22/(1-(-0.07))
sum=22/1.07
sum=20.5607
the sum is about 20.56