find the sum of the first 20 terms of the arithmetic sequence -16 -20 -24...
Answers
Answered by
0
Answer:
-4120
Step-by-step explanation:
here d =-4
a=-16
sum of arithmetic sequence =10(-32+19(-20))
=10(-32-380)
=10(-412)
=-4120
Answered by
1
Hope it helps u
Plz Mark as brainlist answer
Attachments:
Similar questions
English,
5 months ago
Science,
5 months ago
Math,
5 months ago
Social Sciences,
10 months ago
Math,
10 months ago