Q: Adding up the numbers 1-100 consecutively (1+2+3..) gives us:
1=6022
2=5050
3=1000

A: 2=5050 When you have got numbers listed consecutively, then the simplest way to find the sum is:
n * (n + 1) / 2
So, when n = 100, the sum would be:
100 * 101/2 = 5050

Expert answered|ANGEEELICA|Points 4410|

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Asked 7/5/2011 9:27:52 AM

Updated 7/5/2011 10:04:21 AM

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