SOLUTION: I am to add all the odd numbers from 0-4000. I've tried the calculator and doing it by hand but the teacher and I still get different answers. Is there a simple formula that I can

SOLUTION: I am to add all the odd numbers from 0-4000. I've tried the calculator and doing it by hand but the teacher and I still get different answers. Is there a simple formula that I can

Algebra.Com

Question 162541: I am to add all the odd numbers from 0-4000. I've tried the calculator and doing it by hand but the teacher and I still get different answers. Is there a simple formula that I can understand.
Leah
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
YOU NEED TO CHANGE THE 4000 (WHICH IS NOT AN ODD NUMBER) TO 3999 WHICH IS THE LARGEST ODD NUMBER.
S=(N+1)^2/4
S=[(3999+1)^2]/4
S=[4000^2]/4
S=4,000,000 ANSWER.
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