what is the sum of first 20 natural numbers? b)the algebraic form of an arithmetic sequence is 6n+5
Answers
Answered by
0
Answer:
sum of 20 natural numbers is 210
Step-by-step explanation:
n(n+1)/2 is formula
Similar questions
Math,
1 month ago
Science,
2 months ago
Social Sciences,
2 months ago
Science,
9 months ago
English,
9 months ago