This is a geometric series with a common ratio of (0.5).
S = a(1) / (1-r) = 8 / (1 - 0.5) = 8 / 0.5 = 16.
Hope this helps.
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?