7)Which of the following is the
sum of the first 30 natural
numbers? *
Answers
Answered by
2
Answer:
465
Step-by-step explanation:
n(n+1)/2
30(30+1)/2
30(31)/2
15×31
465
Answered by
2
Answer:
465
Step-by-step explanation:
n(n+1)/2
30(30+1)/2
30(31)/2
30 x 15.5
465.
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