Get Help And Discuss STEM Concepts From Math To Data Science & Financial Literacy
STEM Gender Equality | Join us on ZOOM | Spreading Mathematical Happiness

MathsGee is free of annoying ads. We want to keep it like this. You can help with your DONATION

0 like 0 dislike
29 views
Evaluate the series $\sum_{n=1}^{5} 2^{-n} $
in Grade 12 Maths by Diamond (50,455 points) | 29 views

1 Answer

0 like 0 dislike
T1= 1/2

T2= 1/4

T3= 1/8

common ratio= 1/4/(1/2) = 1/2

sum = a/(1-r) = 1/2/(1- 1/2) = 1
by Diamond (38,804 points)

Related questions

0 like 0 dislike
1 answer
asked Mar 5, 2019 in Grade 12 Maths by Tedsf Diamond (50,455 points) | 22 views

Welcome to MathsGee Q&A Bank, Africa’s largest personalized STEM and Financial Literacy education network that helps people find answers to problems, connect with others and take action to improve their outcomes.


MathsGee Q&A is the STEM and Financial Literacy knowledge-sharing community where students and experts put their heads together to crack their toughest questions.


MathsGee is free of annoying ads. We want to keep it like this. You can help with your DONATION

Enter your email address:

11,457 questions
9,430 answers
100 comments
10,400 users