The sum of the first five terms is 11/2
<h3>How to determine the sum?</h3>
The series is given as:
1/2, -1,2,-4…
Calculate the common ratio of the series using
r = -4/2
Evaluate
r = -2
The sum is then calculated as:

This gives

Evaluate

Evaluate

Hence, the sum of the first five terms is 11/2
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Answer:
y=53
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
y=8(6)+5
y=48+5
y=53
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20%
100%(total points possibly given)
- 80% (points received)
equals 20%
-17.6 -(-21.3) = -17.6 + 21.3=3.7