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How do you add all the numbers from 1 to 500?
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5 votes
How do you add all the numbers from 1 to 500?

User Vancewang
by
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1 Answer

3 votes

Answer:

125250

Explanation:

  • a(1)=1
  • a(n)=500
  • n=(500-1)+1

S(n)=( (a(1) + a(n)) ×500 ) ÷ 2

S(500) = (501 ×500) ÷ 2 = 125250

User Tom Claus
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8.0k points
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