The sum of the first 300 odd numbers is 90,000
You square the number of integers you are looking for, in this case; 300. So, 300 squared = 300 x 300 = 90,000. Thus, the sum of the first 300 odd numbers is 90,000.
The sum of the first 100 even numbers is 10,100
The sum of the first 10 even numbers is 110.
The sum of the first 100 positive even numbers is 10,100.
The sum of the first 300 odd numbers is 90,000
You square the number of integers you are looking for, in this case; 300. So, 300 squared = 300 x 300 = 90,000. Thus, the sum of the first 300 odd numbers is 90,000.
The sum of the first 50 even numbers is 2,550.
The sum of the first 10,000 even numbers is 100,010,000.
The sum of the first 100 even numbers is 10,100
The sum of the first 10 even numbers is 110.
The sum of the first 30 positive even numbers is 930.
The sum of the first 100 positive even numbers is 10,100.
The sum of the first 30 positive even numbers is 930.
The sum of the first 40 even numbers is 1,640.
There are 150 even numbers from 2 to 300 with a common difference of 2sum = (a+l)/2*n= 22650
The sum of all the first 100 even numbers is 10,100.