Question 21

loading...

Prev/Next links

Jambmaths question: 

Find the sum to infinity 0.5 + 0.05 + 0.005 +0.0005 +….

Jamb Maths Solution: 

$\begin{align}  & a=0.5,\text{  }r=\frac{0.05}{0.5}=0.1 \\ & {{S}_{\infty }}=\frac{a}{1-r}=\frac{0.5}{1-0.1}=\frac{0.5}{0.9}=\frac{5}{9} \\\end{align}$

Jamb Maths Topic: 
Year of Exam: