The first 4 square numbers are 1^2, 2^2, 3^2, and 4^2, which are 1, 4, 9, and 16, respectively. To find the sum of these numbers, you simply add them together: 1 + 4 + 9 + 16 = 30. Therefore, the sum of the first 4 square numbers is 30.
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Oh, what a lovely question! Let's paint a happy little picture with numbers. The first 4 square numbers are 1, 4, 9, and 16. Now, if we add them together with a gentle brushstroke, we get a sum of 30. Just like that, we've created a beautiful mathematical masterpiece!
Well, honey, the first 4 square numbers are 1, 4, 9, and 16. Add those bad boys up and you get 30. So, the sum of the first 4 square numbers is 30. Math doesn't have to be boring, darling!
1+4+9=14
The sum of the first 100 even numbers is 10,100
16.
The first 5 square numbers are 1, 4, 9, 16, and 25.
9801 * The sum of the first two odd numbers (1+3) is 4, or 22 * The sum of the first three odd numbers (1+3+5) is 9, or 32 * The sum of the first four odd numbers (1+3+5+7) is 16, or 42 * ...and so on So the sum of the first 99 odd numbers, using the pattern above, would be 992 or 9801.