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Q: What is the average of the first 3 coposite numbers?

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3 x 5 x 5 = 75

average of first five prime numbers = 5.6 first five prime numbers = 2, 3, 5, 7, 11average = sum of first prime numbers/5= (2 + 3 + 5 + 7 + 11)/5= 28/5= 5.6

18 is composite. 18 = 2 * 3 * 3 = 2 * 32

2,3,5,7,11,13,17,19,23,29 are the first ten prime numbers. Their mean is ( 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29) / 10 => 12.9

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To get the simple average of a series of numbers, you add the numbers up and divide by however many numbers there were. For example, the average of 2, 3 and 4 is the sum of the numbers (which adds up to 9) divided by 3 (because there are three numbers). So the average is 9/3 = 3.

The average is 5. To calculate the average you first add the numbers (2+5+8=15) and then you divide the answer by how many numbers there originally were (15/3=5).

Yes. For example, the average of the numbers 1, 2, and 3 is 2. 1+2+3=6 6/3=2

The average of several numbers is the sum of the numbers divided by the quantity of the numbers. (3 + 3.5 + 6) Ã· 3 = 4 1/6

Add the 3 numbers together and divide that answer by 3. Example: The average of 2, 4, and 9. Average = (2+4+9)/3 = 15/3 =5.

To find the average of a number, first you add all the numbers that you want to average. Then you need to divide the sum of the numbers by the number of numbers there were. So if a set of numbers is 3, 5, 7, 1, 4, 7, 8 The equation would be 3+5+7+1+4+7+8=35/7(for the 7 numbers)=5

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