Question

Evaluate each series.
Help pls 50 points

Answer 1

1. 2,555

2. 23.25

Explanation:

1. 5+10+20+...

S9 = 5(2^9-1)/(2-1)

= 5(511) = 2,555

2. 12+6+3+1.5+0.75 = 23.25