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1+3+5+7+9=25
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∙ 15y ago
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What is the sum of the first eight positive odd numbers?
64
What is the sum of the first seven positive odd numbers?
the answer is 49.
What is the sum of the first 7 positive odd numbers?
1,3,5,7,9,11,13
The sum of the first positive 100 odd numbers?
The sum of the first 100 odd numbers (1 through 199) is 10000 (ten thou)
Find the difference between the sum of the first 1000000 positive even numbers and the sum of the first 1000000 positive odd numbers?
The sum of the first 1,000,000 positive even numbers is: 2 + 4 + 6 + 8 + ... + 2,000,000 The sum of the first 1,000,000 positive odd integers is: 1 + 3 + 5 + 7 + ... + 1,999,999 The difference between the two is: (2-1) + (4-3) + (6-5) + (8-7) + ... + (2,000,000-1,999,999). This is the same as: 1 + 1 + 1 + 1 + ... + 1. Well how many 1's are there? 1,000,000. So the difference is 1,000,000. Note that if the question asked for the difference between the sum of the first 1,000 positive even numbers and the sum of the first 1,000 positive odd numbers, the answer would be 1,000. The first n even numbers and odd numbers? n.
What is the sum of the first fifteen odd numbers?
The sum of the first 15 odd numbers is 225.
Sum of the first 100 odd numbers?
The sum of the first 100 odd numbers is 10,000.
What is the sum of first 300 odd numbers?
The sum of the first 300 odd numbers is 90,000
What is the sum of the first 40 odd numbers?
The sum of the first 40 odd numbers is 1,600.
What is the sum of the first 600 odd numbers?
The sum of the first 600 odd numbers is 360,000.
What is the sum of the first 8000 odd numbers?
The sum of the first 8,000 odd numbers 64,000,000.
What is the sum of the first 1000 odd numbers?
The sum of the first 1,000 odd numbers is 1,000,000.
