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Earn +20 ptsQ: What is the sum of the first 30 positive even numbers?
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What are the sum of the first 30 even whole numbers?
The sum of the first 30 even whole numbers is 30(31) or 930
Which is the sum of the positive even numbers less than 878?
It is 192282.
What is the sum of the first seven positive odd numbers?
the answer is 49.
What is the sum of the first five positive even numbers?
2 + 4 + 6 + 8 + 10 = 30 In general, the sum of the first n even numbers is n(n+1). Replacing n with 5 we have 5x6 which equals 30 as we found by direct calcuation. The formula is nice when you have many numbers. For example, finding the sum of the first 100 positive even numbers would be a PAIN! But using the formula is it simply 100x101.
What is the sum of all the even numbers 1 to 200?
The sum of the first 200 even numbers is 40,200.
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